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Finding the Fourth Proportional to 359,425.32, 539,080.72 and 119,519.24

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Solution

The fourth proportional to 359,425.32, 539,080.72 and 119,519.24 is: 179,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,425.32 : 539,080.72 = 119,519.24 : x
  2. Step 2: Convert to fraction form
    359,425.32/539,080.72 = 119,519.24/x
  3. Step 3: Cross multiply
    359,425.32x = 539,080.72 × 119,519.24
  4. Step 4: Simplify right side
    359,425.32x = 64,430,517,953.05
  5. Step 5: Solve for x
    x = 64,430,517,953.05/359,425.32
  6. Step 6: Final answer
    x = 179,259.82

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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.