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Finding the Fourth Proportional to 951.41, 1,427.12 and 373.88

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Solution

The fourth proportional to 951.41, 1,427.12 and 373.88 is: 560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.41 : 1,427.12 = 373.88 : x
  2. Step 2: Convert to fraction form
    951.41/1,427.12 = 373.88/x
  3. Step 3: Cross multiply
    951.41x = 1,427.12 × 373.88
  4. Step 4: Simplify right side
    951.41x = 533,562.62
  5. Step 5: Solve for x
    x = 533,562.62/951.41
  6. Step 6: Final answer
    x = 560.82

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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.