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Finding the Fourth Proportional to 359,765.27, 539,640.49 and 119,896.58

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Solution

The fourth proportional to 359,765.27, 539,640.49 and 119,896.58 is: 179,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,765.27 : 539,640.49 = 119,896.58 : x
  2. Step 2: Convert to fraction form
    359,765.27/539,640.49 = 119,896.58/x
  3. Step 3: Cross multiply
    359,765.27x = 539,640.49 × 119,896.58
  4. Step 4: Simplify right side
    359,765.27x = 64,701,051,691.32
  5. Step 5: Solve for x
    x = 64,701,051,691.32/359,765.27
  6. Step 6: Final answer
    x = 179,842.41

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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.