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Finding the Fourth Proportional to 372.59, 558.66 and 167.06

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Solution

The fourth proportional to 372.59, 558.66 and 167.06 is: 250.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.59 : 558.66 = 167.06 : x
  2. Step 2: Convert to fraction form
    372.59/558.66 = 167.06/x
  3. Step 3: Cross multiply
    372.59x = 558.66 × 167.06
  4. Step 4: Simplify right side
    372.59x = 93,329.74
  5. Step 5: Solve for x
    x = 93,329.74/372.59
  6. Step 6: Final answer
    x = 250.49

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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.