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Finding the Fourth Proportional to 603,654,308.70, 905,481,463.05 and 482,721,956.70

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Solution

The fourth proportional to 603,654,308.70, 905,481,463.05 and 482,721,956.70 is: 724,082,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,654,308.70 : 905,481,463.05 = 482,721,956.70 : x
  2. Step 2: Convert to fraction form
    603,654,308.70/905,481,463.05 = 482,721,956.70/x
  3. Step 3: Cross multiply
    603,654,308.70x = 905,481,463.05 × 482,721,956.70
  4. Step 4: Simplify right side
    603,654,308.70x = 437,095,783,599,074,688
  5. Step 5: Solve for x
    x = 437,095,783,599,074,688/603,654,308.70
  6. Step 6: Final answer
    x = 724,082,935.05

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Half scale
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Double scale
Find fourth proportional to 603,654,309.70, 905,481,464.55 and 482,721,957.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.