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Finding the Fourth Proportional to 966.92, 1,334.63 and 574.17

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Solution

The fourth proportional to 966.92, 1,334.63 and 574.17 is: 792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.92 : 1,334.63 = 574.17 : x
  2. Step 2: Convert to fraction form
    966.92/1,334.63 = 574.17/x
  3. Step 3: Cross multiply
    966.92x = 1,334.63 × 574.17
  4. Step 4: Simplify right side
    966.92x = 766,301.64
  5. Step 5: Solve for x
    x = 766,301.64/966.92
  6. Step 6: Final answer
    x = 792.52

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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.