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Finding the Fourth Proportional to 332.46, 498.69 and 187.14

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Solution

The fourth proportional to 332.46, 498.69 and 187.14 is: 280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.46 : 498.69 = 187.14 : x
  2. Step 2: Convert to fraction form
    332.46/498.69 = 187.14/x
  3. Step 3: Cross multiply
    332.46x = 498.69 × 187.14
  4. Step 4: Simplify right side
    332.46x = 93,324.85
  5. Step 5: Solve for x
    x = 93,324.85/332.46
  6. Step 6: Final answer
    x = 280.71

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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.