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Finding the Fourth Proportional to 502,577,308.80, 753,865,963.20 and 373,437,145.80

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Solution

The fourth proportional to 502,577,308.80, 753,865,963.20 and 373,437,145.80 is: 560,155,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,577,308.80 : 753,865,963.20 = 373,437,145.80 : x
  2. Step 2: Convert to fraction form
    502,577,308.80/753,865,963.20 = 373,437,145.80/x
  3. Step 3: Cross multiply
    502,577,308.80x = 753,865,963.20 × 373,437,145.80
  4. Step 4: Simplify right side
    502,577,308.80x = 281,521,553,613,175,872
  5. Step 5: Solve for x
    x = 281,521,553,613,175,872/502,577,308.80
  6. Step 6: Final answer
    x = 560,155,718.70

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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.