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Finding the Fourth Proportional to 932.01, 1,286.24 and 539.04

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Solution

The fourth proportional to 932.01, 1,286.24 and 539.04 is: 743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.01 : 1,286.24 = 539.04 : x
  2. Step 2: Convert to fraction form
    932.01/1,286.24 = 539.04/x
  3. Step 3: Cross multiply
    932.01x = 1,286.24 × 539.04
  4. Step 4: Simplify right side
    932.01x = 693,332.11
  5. Step 5: Solve for x
    x = 693,332.11/932.01
  6. Step 6: Final answer
    x = 743.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.