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Finding the Fourth Proportional to 866.14, 1,195.28 and 473.17

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Solution

The fourth proportional to 866.14, 1,195.28 and 473.17 is: 652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    866.14 : 1,195.28 = 473.17 : x
  2. Step 2: Convert to fraction form
    866.14/1,195.28 = 473.17/x
  3. Step 3: Cross multiply
    866.14x = 1,195.28 × 473.17
  4. Step 4: Simplify right side
    866.14x = 565,562.30
  5. Step 5: Solve for x
    x = 565,562.30/866.14
  6. Step 6: Final answer
    x = 652.97

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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.