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Finding the Fourth Proportional to 1,031.73, 1,546.74 and 483.63

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Solution

The fourth proportional to 1,031.73, 1,546.74 and 483.63 is: 725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.73 : 1,546.74 = 483.63 : x
  2. Step 2: Convert to fraction form
    1,031.73/1,546.74 = 483.63/x
  3. Step 3: Cross multiply
    1,031.73x = 1,546.74 × 483.63
  4. Step 4: Simplify right side
    1,031.73x = 748,049.87
  5. Step 5: Solve for x
    x = 748,049.87/1,031.73
  6. Step 6: Final answer
    x = 725.04

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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.