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Finding the Fourth Proportional to 359,593.47, 539,478.02 and 119,706.91

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Solution

The fourth proportional to 359,593.47, 539,478.02 and 119,706.91 is: 179,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,593.47 : 539,478.02 = 119,706.91 : x
  2. Step 2: Convert to fraction form
    359,593.47/539,478.02 = 119,706.91/x
  3. Step 3: Cross multiply
    359,593.47x = 539,478.02 × 119,706.91
  4. Step 4: Simplify right side
    359,593.47x = 64,579,245,737.69
  5. Step 5: Solve for x
    x = 64,579,245,737.69/359,593.47
  6. Step 6: Final answer
    x = 179,589.60

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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.