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Finding the Fourth Proportional to 732.58, 1,010.61 and 452.71

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Solution

The fourth proportional to 732.58, 1,010.61 and 452.71 is: 624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.58 : 1,010.61 = 452.71 : x
  2. Step 2: Convert to fraction form
    732.58/1,010.61 = 452.71/x
  3. Step 3: Cross multiply
    732.58x = 1,010.61 × 452.71
  4. Step 4: Simplify right side
    732.58x = 457,515.94
  5. Step 5: Solve for x
    x = 457,515.94/732.58
  6. Step 6: Final answer
    x = 624.53

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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.