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Finding the Fourth Proportional to 359,079.35, 538,697.79 and 106,379.59

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Solution

The fourth proportional to 359,079.35, 538,697.79 and 106,379.59 is: 159,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,079.35 : 538,697.79 = 106,379.59 : x
  2. Step 2: Convert to fraction form
    359,079.35/538,697.79 = 106,379.59/x
  3. Step 3: Cross multiply
    359,079.35x = 538,697.79 × 106,379.59
  4. Step 4: Simplify right side
    359,079.35x = 57,306,450,034.11
  5. Step 5: Solve for x
    x = 57,306,450,034.11/359,079.35
  6. Step 6: Final answer
    x = 159,592.72

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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.