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Finding the Fourth Proportional to 484.22, 725.90 and 237.29

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Solution

The fourth proportional to 484.22, 725.90 and 237.29 is: 355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.22 : 725.90 = 237.29 : x
  2. Step 2: Convert to fraction form
    484.22/725.90 = 237.29/x
  3. Step 3: Cross multiply
    484.22x = 725.90 × 237.29
  4. Step 4: Simplify right side
    484.22x = 172,244.00
  5. Step 5: Solve for x
    x = 172,244.00/484.22
  6. Step 6: Final answer
    x = 355.72

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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.