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Finding the Fourth Proportional to 1,446.54, 2,170.17 and 580.92

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Solution

The fourth proportional to 1,446.54, 2,170.17 and 580.92 is: 871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.54 : 2,170.17 = 580.92 : x
  2. Step 2: Convert to fraction form
    1,446.54/2,170.17 = 580.92/x
  3. Step 3: Cross multiply
    1,446.54x = 2,170.17 × 580.92
  4. Step 4: Simplify right side
    1,446.54x = 1,260,695.16
  5. Step 5: Solve for x
    x = 1,260,695.16/1,446.54
  6. Step 6: Final answer
    x = 871.52

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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.