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Finding the Fourth Proportional to 966.55, 1,333.85 and 524.46

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Solution

The fourth proportional to 966.55, 1,333.85 and 524.46 is: 723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.55 : 1,333.85 = 524.46 : x
  2. Step 2: Convert to fraction form
    966.55/1,333.85 = 524.46/x
  3. Step 3: Cross multiply
    966.55x = 1,333.85 × 524.46
  4. Step 4: Simplify right side
    966.55x = 699,545.85
  5. Step 5: Solve for x
    x = 699,545.85/966.55
  6. Step 6: Final answer
    x = 723.76

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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.