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Finding the Fourth Proportional to 373.74, 560.46 and 157.17

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Solution

The fourth proportional to 373.74, 560.46 and 157.17 is: 235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.74 : 560.46 = 157.17 : x
  2. Step 2: Convert to fraction form
    373.74/560.46 = 157.17/x
  3. Step 3: Cross multiply
    373.74x = 560.46 × 157.17
  4. Step 4: Simplify right side
    373.74x = 88,087.50
  5. Step 5: Solve for x
    x = 88,087.50/373.74
  6. Step 6: Final answer
    x = 235.69

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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.