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Finding the Fourth Proportional to 362.50, 544.13 and 157.17

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Solution

The fourth proportional to 362.50, 544.13 and 157.17 is: 235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.50 : 544.13 = 157.17 : x
  2. Step 2: Convert to fraction form
    362.50/544.13 = 157.17/x
  3. Step 3: Cross multiply
    362.50x = 544.13 × 157.17
  4. Step 4: Simplify right side
    362.50x = 85,520.91
  5. Step 5: Solve for x
    x = 85,520.91/362.50
  6. Step 6: Final answer
    x = 235.92

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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.