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Finding the Fourth Proportional to 334.54, 461.32 and 260.73

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Solution

The fourth proportional to 334.54, 461.32 and 260.73 is: 359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.54 : 461.32 = 260.73 : x
  2. Step 2: Convert to fraction form
    334.54/461.32 = 260.73/x
  3. Step 3: Cross multiply
    334.54x = 461.32 × 260.73
  4. Step 4: Simplify right side
    334.54x = 120,280.69
  5. Step 5: Solve for x
    x = 120,280.69/334.54
  6. Step 6: Final answer
    x = 359.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.