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Finding the Fourth Proportional to 732.27, 1,097.85 and 630.75

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Solution

The fourth proportional to 732.27, 1,097.85 and 630.75 is: 945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.27 : 1,097.85 = 630.75 : x
  2. Step 2: Convert to fraction form
    732.27/1,097.85 = 630.75/x
  3. Step 3: Cross multiply
    732.27x = 1,097.85 × 630.75
  4. Step 4: Simplify right side
    732.27x = 692,468.89
  5. Step 5: Solve for x
    x = 692,468.89/732.27
  6. Step 6: Final answer
    x = 945.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.