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Finding the Fourth Proportional to 732.28, 1,095.24 and 423.37

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Solution

The fourth proportional to 732.28, 1,095.24 and 423.37 is: 633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.28 : 1,095.24 = 423.37 : x
  2. Step 2: Convert to fraction form
    732.28/1,095.24 = 423.37/x
  3. Step 3: Cross multiply
    732.28x = 1,095.24 × 423.37
  4. Step 4: Simplify right side
    732.28x = 463,691.76
  5. Step 5: Solve for x
    x = 463,691.76/732.28
  6. Step 6: Final answer
    x = 633.22

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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.