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Finding the Fourth Proportional to 573,859,381.30, 859,513,613.55 and 497,331,877.30

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Solution

The fourth proportional to 573,859,381.30, 859,513,613.55 and 497,331,877.30 is: 744,892,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,859,381.30 : 859,513,613.55 = 497,331,877.30 : x
  2. Step 2: Convert to fraction form
    573,859,381.30/859,513,613.55 = 497,331,877.30/x
  3. Step 3: Cross multiply
    573,859,381.30x = 859,513,613.55 × 497,331,877.30
  4. Step 4: Simplify right side
    573,859,381.30x = 427,463,518,991,728,192
  5. Step 5: Solve for x
    x = 427,463,518,991,728,192/573,859,381.30
  6. Step 6: Final answer
    x = 744,892,447.39

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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.