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Finding the Fourth Proportional to 274, 410.88 and 158.32

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Solution

The fourth proportional to 274, 410.88 and 158.32 is: 237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    274 : 410.88 = 158.32 : x
  2. Step 2: Convert to fraction form
    274/410.88 = 158.32/x
  3. Step 3: Cross multiply
    274x = 410.88 × 158.32
  4. Step 4: Simplify right side
    274x = 65,050.52
  5. Step 5: Solve for x
    x = 65,050.52/274
  6. Step 6: Final answer
    x = 237.41

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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.