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Finding the Fourth Proportional to 1,241.97, 1,862.96 and 501.92

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Solution

The fourth proportional to 1,241.97, 1,862.96 and 501.92 is: 752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.97 : 1,862.96 = 501.92 : x
  2. Step 2: Convert to fraction form
    1,241.97/1,862.96 = 501.92/x
  3. Step 3: Cross multiply
    1,241.97x = 1,862.96 × 501.92
  4. Step 4: Simplify right side
    1,241.97x = 935,045.06
  5. Step 5: Solve for x
    x = 935,045.06/1,241.97
  6. Step 6: Final answer
    x = 752.87

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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.