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Finding the Fourth Proportional to 225, 337.46 and 62.70

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Solution

The fourth proportional to 225, 337.46 and 62.70 is: 94.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225 : 337.46 = 62.70 : x
  2. Step 2: Convert to fraction form
    225/337.46 = 62.70/x
  3. Step 3: Cross multiply
    225x = 337.46 × 62.70
  4. Step 4: Simplify right side
    225x = 21,158.74
  5. Step 5: Solve for x
    x = 21,158.74/225
  6. Step 6: Final answer
    x = 94.04

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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.