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Finding the Fourth Proportional to 332.36, 498.50 and 126.96

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Solution

The fourth proportional to 332.36, 498.50 and 126.96 is: 190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.36 : 498.50 = 126.96 : x
  2. Step 2: Convert to fraction form
    332.36/498.50 = 126.96/x
  3. Step 3: Cross multiply
    332.36x = 498.50 × 126.96
  4. Step 4: Simplify right side
    332.36x = 63,289.56
  5. Step 5: Solve for x
    x = 63,289.56/332.36
  6. Step 6: Final answer
    x = 190.42

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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.