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Finding the Fourth Proportional to 359,591.80, 539,247.47 and 134,829.76

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Solution

The fourth proportional to 359,591.80, 539,247.47 and 134,829.76 is: 202,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,591.80 : 539,247.47 = 134,829.76 : x
  2. Step 2: Convert to fraction form
    359,591.80/539,247.47 = 134,829.76/x
  3. Step 3: Cross multiply
    359,591.80x = 539,247.47 × 134,829.76
  4. Step 4: Simplify right side
    359,591.80x = 72,706,606,328.74
  5. Step 5: Solve for x
    x = 72,706,606,328.74/359,591.80
  6. Step 6: Final answer
    x = 202,192.06

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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.