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Finding the Fourth Proportional to 332.22, 498.46 and 178.14

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Solution

The fourth proportional to 332.22, 498.46 and 178.14 is: 267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.22 : 498.46 = 178.14 : x
  2. Step 2: Convert to fraction form
    332.22/498.46 = 178.14/x
  3. Step 3: Cross multiply
    332.22x = 498.46 × 178.14
  4. Step 4: Simplify right side
    332.22x = 88,795.66
  5. Step 5: Solve for x
    x = 88,795.66/332.22
  6. Step 6: Final answer
    x = 267.28

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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.