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Finding the Fourth Proportional to 1,031.51, 1,546.50 and 483.37

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Solution

The fourth proportional to 1,031.51, 1,546.50 and 483.37 is: 724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.51 : 1,546.50 = 483.37 : x
  2. Step 2: Convert to fraction form
    1,031.51/1,546.50 = 483.37/x
  3. Step 3: Cross multiply
    1,031.51x = 1,546.50 × 483.37
  4. Step 4: Simplify right side
    1,031.51x = 747,523.97
  5. Step 5: Solve for x
    x = 747,523.97/1,031.51
  6. Step 6: Final answer
    x = 724.69

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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.