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Finding the Fourth Proportional to 424.96, 586.25 and 250.22

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Solution

The fourth proportional to 424.96, 586.25 and 250.22 is: 345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.96 : 586.25 = 250.22 : x
  2. Step 2: Convert to fraction form
    424.96/586.25 = 250.22/x
  3. Step 3: Cross multiply
    424.96x = 586.25 × 250.22
  4. Step 4: Simplify right side
    424.96x = 146,691.48
  5. Step 5: Solve for x
    x = 146,691.48/424.96
  6. Step 6: Final answer
    x = 345.19

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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.