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Finding the Fourth Proportional to 354.74, 532.44 and 332.87

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Solution

The fourth proportional to 354.74, 532.44 and 332.87 is: 499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.74 : 532.44 = 332.87 : x
  2. Step 2: Convert to fraction form
    354.74/532.44 = 332.87/x
  3. Step 3: Cross multiply
    354.74x = 532.44 × 332.87
  4. Step 4: Simplify right side
    354.74x = 177,230.64
  5. Step 5: Solve for x
    x = 177,230.64/354.74
  6. Step 6: Final answer
    x = 499.61

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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.