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Finding the Fourth Proportional to 603,654,347.70, 905,481,521.55 and 482,721,995.70

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Solution

The fourth proportional to 603,654,347.70, 905,481,521.55 and 482,721,995.70 is: 724,082,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,654,347.70 : 905,481,521.55 = 482,721,995.70 : x
  2. Step 2: Convert to fraction form
    603,654,347.70/905,481,521.55 = 482,721,995.70/x
  3. Step 3: Cross multiply
    603,654,347.70x = 905,481,521.55 × 482,721,995.70
  4. Step 4: Simplify right side
    603,654,347.70x = 437,095,847,152,088,512
  5. Step 5: Solve for x
    x = 437,095,847,152,088,512/603,654,347.70
  6. Step 6: Final answer
    x = 724,082,993.55

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Half scale
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Double scale
Find fourth proportional to 603,654,348.70, 905,481,523.05 and 482,721,996.70
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.