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Finding the Fourth Proportional to 372.54, 560.97 and 308.16

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Solution

The fourth proportional to 372.54, 560.97 and 308.16 is: 464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.54 : 560.97 = 308.16 : x
  2. Step 2: Convert to fraction form
    372.54/560.97 = 308.16/x
  3. Step 3: Cross multiply
    372.54x = 560.97 × 308.16
  4. Step 4: Simplify right side
    372.54x = 172,868.52
  5. Step 5: Solve for x
    x = 172,868.52/372.54
  6. Step 6: Final answer
    x = 464.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.