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Finding the Fourth Proportional to 603,654,327.20, 905,481,490.80 and 482,721,975.20

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Solution

The fourth proportional to 603,654,327.20, 905,481,490.80 and 482,721,975.20 is: 724,082,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,654,327.20 : 905,481,490.80 = 482,721,975.20 : x
  2. Step 2: Convert to fraction form
    603,654,327.20/905,481,490.80 = 482,721,975.20/x
  3. Step 3: Cross multiply
    603,654,327.20x = 905,481,490.80 × 482,721,975.20
  4. Step 4: Simplify right side
    603,654,327.20x = 437,095,813,746,016,576
  5. Step 5: Solve for x
    x = 437,095,813,746,016,576/603,654,327.20
  6. Step 6: Final answer
    x = 724,082,962.80

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Double scale
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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.