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Finding the Fourth Proportional to 1,031.27, 1,546.02 and 483.17

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Solution

The fourth proportional to 1,031.27, 1,546.02 and 483.17 is: 724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.27 : 1,546.02 = 483.17 : x
  2. Step 2: Convert to fraction form
    1,031.27/1,546.02 = 483.17/x
  3. Step 3: Cross multiply
    1,031.27x = 1,546.02 × 483.17
  4. Step 4: Simplify right side
    1,031.27x = 746,982.75
  5. Step 5: Solve for x
    x = 746,982.75/1,031.27
  6. Step 6: Final answer
    x = 724.34

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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.