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Finding the Fourth Proportional to 359,591.40, 539,694.30 and 160,218.60

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Solution

The fourth proportional to 359,591.40, 539,694.30 and 160,218.60 is: 240,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,591.40 : 539,694.30 = 160,218.60 : x
  2. Step 2: Convert to fraction form
    359,591.40/539,694.30 = 160,218.60/x
  3. Step 3: Cross multiply
    359,591.40x = 539,694.30 × 160,218.60
  4. Step 4: Simplify right side
    359,591.40x = 86,469,065,173.98
  5. Step 5: Solve for x
    x = 86,469,065,173.98/359,591.40
  6. Step 6: Final answer
    x = 240,464.78

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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.