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Finding the Fourth Proportional to 359,621.97, 539,520.57 and 119,735.43

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Solution

The fourth proportional to 359,621.97, 539,520.57 and 119,735.43 is: 179,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,621.97 : 539,520.57 = 119,735.43 : x
  2. Step 2: Convert to fraction form
    359,621.97/539,520.57 = 119,735.43/x
  3. Step 3: Cross multiply
    359,621.97x = 539,520.57 × 119,735.43
  4. Step 4: Simplify right side
    359,621.97x = 64,599,727,442.80
  5. Step 5: Solve for x
    x = 64,599,727,442.80/359,621.97
  6. Step 6: Final answer
    x = 179,632.32

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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.