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Finding the Fourth Proportional to 349,272.76, 523,855.68 and 112,590.76

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Solution

The fourth proportional to 349,272.76, 523,855.68 and 112,590.76 is: 168,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,272.76 : 523,855.68 = 112,590.76 : x
  2. Step 2: Convert to fraction form
    349,272.76/523,855.68 = 112,590.76/x
  3. Step 3: Cross multiply
    349,272.76x = 523,855.68 × 112,590.76
  4. Step 4: Simplify right side
    349,272.76x = 58,981,309,141.52
  5. Step 5: Solve for x
    x = 58,981,309,141.52/349,272.76
  6. Step 6: Final answer
    x = 168,868.91

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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.