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Finding the Fourth Proportional to 317,618.70, 476,469.48 and 167,864.76

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Solution

The fourth proportional to 317,618.70, 476,469.48 and 167,864.76 is: 251,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,618.70 : 476,469.48 = 167,864.76 : x
  2. Step 2: Convert to fraction form
    317,618.70/476,469.48 = 167,864.76/x
  3. Step 3: Cross multiply
    317,618.70x = 476,469.48 × 167,864.76
  4. Step 4: Simplify right side
    317,618.70x = 79,982,434,907.52
  5. Step 5: Solve for x
    x = 79,982,434,907.52/317,618.70
  6. Step 6: Final answer
    x = 251,819.04

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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.