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Finding the Fourth Proportional to 332.07, 497.85 and 126.62

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Solution

The fourth proportional to 332.07, 497.85 and 126.62 is: 189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.07 : 497.85 = 126.62 : x
  2. Step 2: Convert to fraction form
    332.07/497.85 = 126.62/x
  3. Step 3: Cross multiply
    332.07x = 497.85 × 126.62
  4. Step 4: Simplify right side
    332.07x = 63,035.28
  5. Step 5: Solve for x
    x = 63,035.28/332.07
  6. Step 6: Final answer
    x = 189.83

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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.