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Finding the Fourth Proportional to 321,799,593.60, 482,951,332.80 and 149,297,781.60

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Solution

The fourth proportional to 321,799,593.60, 482,951,332.80 and 149,297,781.60 is: 224,063,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,799,593.60 : 482,951,332.80 = 149,297,781.60 : x
  2. Step 2: Convert to fraction form
    321,799,593.60/482,951,332.80 = 149,297,781.60/x
  3. Step 3: Cross multiply
    321,799,593.60x = 482,951,332.80 × 149,297,781.60
  4. Step 4: Simplify right side
    321,799,593.60x = 72,103,562,607,803,312
  5. Step 5: Solve for x
    x = 72,103,562,607,803,312/321,799,593.60
  6. Step 6: Final answer
    x = 224,063,560.18

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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.