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Finding the Fourth Proportional to 932.04, 1,286.28 and 582.66

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Solution

The fourth proportional to 932.04, 1,286.28 and 582.66 is: 804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.04 : 1,286.28 = 582.66 : x
  2. Step 2: Convert to fraction form
    932.04/1,286.28 = 582.66/x
  3. Step 3: Cross multiply
    932.04x = 1,286.28 × 582.66
  4. Step 4: Simplify right side
    932.04x = 749,463.90
  5. Step 5: Solve for x
    x = 749,463.90/932.04
  6. Step 6: Final answer
    x = 804.11

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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.