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Finding the Fourth Proportional to 359,481.53, 539,087.73 and 154,290.29

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Solution

The fourth proportional to 359,481.53, 539,087.73 and 154,290.29 is: 231,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,481.53 : 539,087.73 = 154,290.29 : x
  2. Step 2: Convert to fraction form
    359,481.53/539,087.73 = 154,290.29/x
  3. Step 3: Cross multiply
    359,481.53x = 539,087.73 × 154,290.29
  4. Step 4: Simplify right side
    359,481.53x = 83,175,999,501.70
  5. Step 5: Solve for x
    x = 83,175,999,501.70/359,481.53
  6. Step 6: Final answer
    x = 231,377.68

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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.