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Finding the Fourth Proportional to 359,337,783.20, 537,998,905.20 and 349,260,087.20

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Solution

The fourth proportional to 359,337,783.20, 537,998,905.20 and 349,260,087.20 is: 522,910,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,337,783.20 : 537,998,905.20 = 349,260,087.20 : x
  2. Step 2: Convert to fraction form
    359,337,783.20/537,998,905.20 = 349,260,087.20/x
  3. Step 3: Cross multiply
    359,337,783.20x = 537,998,905.20 × 349,260,087.20
  4. Step 4: Simplify right side
    359,337,783.20x = 187,901,544,543,656,544
  5. Step 5: Solve for x
    x = 187,901,544,543,656,544/359,337,783.20
  6. Step 6: Final answer
    x = 522,910,624.29

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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.