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Finding the Fourth Proportional to 374.16, 560.67 and 251.97

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Solution

The fourth proportional to 374.16, 560.67 and 251.97 is: 377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.16 : 560.67 = 251.97 : x
  2. Step 2: Convert to fraction form
    374.16/560.67 = 251.97/x
  3. Step 3: Cross multiply
    374.16x = 560.67 × 251.97
  4. Step 4: Simplify right side
    374.16x = 141,272.02
  5. Step 5: Solve for x
    x = 141,272.02/374.16
  6. Step 6: Final answer
    x = 377.57

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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.