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Finding the Fourth Proportional to 332.88, 498.52 and 271.66

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Solution

The fourth proportional to 332.88, 498.52 and 271.66 is: 406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.88 : 498.52 = 271.66 : x
  2. Step 2: Convert to fraction form
    332.88/498.52 = 271.66/x
  3. Step 3: Cross multiply
    332.88x = 498.52 × 271.66
  4. Step 4: Simplify right side
    332.88x = 135,427.94
  5. Step 5: Solve for x
    x = 135,427.94/332.88
  6. Step 6: Final answer
    x = 406.84

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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.