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Finding the Fourth Proportional to 373.68, 560.43 and 251.46

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Solution

The fourth proportional to 373.68, 560.43 and 251.46 is: 377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.68 : 560.43 = 251.46 : x
  2. Step 2: Convert to fraction form
    373.68/560.43 = 251.46/x
  3. Step 3: Cross multiply
    373.68x = 560.43 × 251.46
  4. Step 4: Simplify right side
    373.68x = 140,925.73
  5. Step 5: Solve for x
    x = 140,925.73/373.68
  6. Step 6: Final answer
    x = 377.13

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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.