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Finding the Fourth Proportional to 359,245.62, 538,910.13 and 119,380.93

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Solution

The fourth proportional to 359,245.62, 538,910.13 and 119,380.93 is: 179,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,245.62 : 538,910.13 = 119,380.93 : x
  2. Step 2: Convert to fraction form
    359,245.62/538,910.13 = 119,380.93/x
  3. Step 3: Cross multiply
    359,245.62x = 538,910.13 × 119,380.93
  4. Step 4: Simplify right side
    359,245.62x = 64,335,592,505.82
  5. Step 5: Solve for x
    x = 64,335,592,505.82/359,245.62
  6. Step 6: Final answer
    x = 179,085.25

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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.