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Finding the Fourth Proportional to 359,394.74, 539,034.96 and 119,488.70

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Solution

The fourth proportional to 359,394.74, 539,034.96 and 119,488.70 is: 179,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,394.74 : 539,034.96 = 119,488.70 : x
  2. Step 2: Convert to fraction form
    359,394.74/539,034.96 = 119,488.70/x
  3. Step 3: Cross multiply
    359,394.74x = 539,034.96 × 119,488.70
  4. Step 4: Simplify right side
    359,394.74x = 64,408,583,929.78
  5. Step 5: Solve for x
    x = 64,408,583,929.78/359,394.74
  6. Step 6: Final answer
    x = 179,214.04

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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.