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Finding the Fourth Proportional to 951.92, 1,429.91 and 606.09

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Solution

The fourth proportional to 951.92, 1,429.91 and 606.09 is: 910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.92 : 1,429.91 = 606.09 : x
  2. Step 2: Convert to fraction form
    951.92/1,429.91 = 606.09/x
  3. Step 3: Cross multiply
    951.92x = 1,429.91 × 606.09
  4. Step 4: Simplify right side
    951.92x = 866,654.15
  5. Step 5: Solve for x
    x = 866,654.15/951.92
  6. Step 6: Final answer
    x = 910.43

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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.