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Finding the Fourth Proportional to 359,761.53, 539,461.56 and 119,790.60

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Solution

The fourth proportional to 359,761.53, 539,461.56 and 119,790.60 is: 179,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,761.53 : 539,461.56 = 119,790.60 : x
  2. Step 2: Convert to fraction form
    359,761.53/539,461.56 = 119,790.60/x
  3. Step 3: Cross multiply
    359,761.53x = 539,461.56 × 119,790.60
  4. Step 4: Simplify right side
    359,761.53x = 64,622,423,500.12
  5. Step 5: Solve for x
    x = 64,622,423,500.12/359,761.53
  6. Step 6: Final answer
    x = 179,625.72

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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.