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Finding the Fourth Proportional to 372.16, 557.92 and 296

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Solution

The fourth proportional to 372.16, 557.92 and 296 is: 443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.16 : 557.92 = 296 : x
  2. Step 2: Convert to fraction form
    372.16/557.92 = 296/x
  3. Step 3: Cross multiply
    372.16x = 557.92 × 296
  4. Step 4: Simplify right side
    372.16x = 165,144.32
  5. Step 5: Solve for x
    x = 165,144.32/372.16
  6. Step 6: Final answer
    x = 443.75

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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.