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Finding the Fourth Proportional to 332.44, 498.51 and 126.88

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Solution

The fourth proportional to 332.44, 498.51 and 126.88 is: 190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.44 : 498.51 = 126.88 : x
  2. Step 2: Convert to fraction form
    332.44/498.51 = 126.88/x
  3. Step 3: Cross multiply
    332.44x = 498.51 × 126.88
  4. Step 4: Simplify right side
    332.44x = 63,250.95
  5. Step 5: Solve for x
    x = 63,250.95/332.44
  6. Step 6: Final answer
    x = 190.26

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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.