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Finding the Fourth Proportional to 332.85, 498.69 and 178.84

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Solution

The fourth proportional to 332.85, 498.69 and 178.84 is: 267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.85 : 498.69 = 178.84 : x
  2. Step 2: Convert to fraction form
    332.85/498.69 = 178.84/x
  3. Step 3: Cross multiply
    332.85x = 498.69 × 178.84
  4. Step 4: Simplify right side
    332.85x = 89,185.72
  5. Step 5: Solve for x
    x = 89,185.72/332.85
  6. Step 6: Final answer
    x = 267.95

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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.