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Finding the Fourth Proportional to 359,978.38, 539,500.10 and 146,497.41

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Solution

The fourth proportional to 359,978.38, 539,500.10 and 146,497.41 is: 219,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,978.38 : 539,500.10 = 146,497.41 : x
  2. Step 2: Convert to fraction form
    359,978.38/539,500.10 = 146,497.41/x
  3. Step 3: Cross multiply
    359,978.38x = 539,500.10 × 146,497.41
  4. Step 4: Simplify right side
    359,978.38x = 79,035,366,612.25
  5. Step 5: Solve for x
    x = 79,035,366,612.25/359,978.38
  6. Step 6: Final answer
    x = 219,555.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.