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Finding the Fourth Proportional to 732.62, 1,011.37 and 453.02

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Solution

The fourth proportional to 732.62, 1,011.37 and 453.02 is: 625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.62 : 1,011.37 = 453.02 : x
  2. Step 2: Convert to fraction form
    732.62/1,011.37 = 453.02/x
  3. Step 3: Cross multiply
    732.62x = 1,011.37 × 453.02
  4. Step 4: Simplify right side
    732.62x = 458,168.57
  5. Step 5: Solve for x
    x = 458,168.57/732.62
  6. Step 6: Final answer
    x = 625.38

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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.