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Finding the Fourth Proportional to 332.73, 498.49 and 260.44

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Solution

The fourth proportional to 332.73, 498.49 and 260.44 is: 390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.73 : 498.49 = 260.44 : x
  2. Step 2: Convert to fraction form
    332.73/498.49 = 260.44/x
  3. Step 3: Cross multiply
    332.73x = 498.49 × 260.44
  4. Step 4: Simplify right side
    332.73x = 129,824.84
  5. Step 5: Solve for x
    x = 129,824.84/332.73
  6. Step 6: Final answer
    x = 390.18

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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.