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Finding the Fourth Proportional to 966.82, 1,334.21 and 524.73

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Solution

The fourth proportional to 966.82, 1,334.21 and 524.73 is: 724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.82 : 1,334.21 = 524.73 : x
  2. Step 2: Convert to fraction form
    966.82/1,334.21 = 524.73/x
  3. Step 3: Cross multiply
    966.82x = 1,334.21 × 524.73
  4. Step 4: Simplify right side
    966.82x = 700,097.10
  5. Step 5: Solve for x
    x = 700,097.10/966.82
  6. Step 6: Final answer
    x = 724.12

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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.