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Finding the Fourth Proportional to 332.71, 499.04 and 127.26

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Solution

The fourth proportional to 332.71, 499.04 and 127.26 is: 190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.71 : 499.04 = 127.26 : x
  2. Step 2: Convert to fraction form
    332.71/499.04 = 127.26/x
  3. Step 3: Cross multiply
    332.71x = 499.04 × 127.26
  4. Step 4: Simplify right side
    332.71x = 63,508.58
  5. Step 5: Solve for x
    x = 63,508.58/332.71
  6. Step 6: Final answer
    x = 190.88

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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.