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Finding the Fourth Proportional to 1,241.78, 1,862.94 and 592.52

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Solution

The fourth proportional to 1,241.78, 1,862.94 and 592.52 is: 888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.78 : 1,862.94 = 592.52 : x
  2. Step 2: Convert to fraction form
    1,241.78/1,862.94 = 592.52/x
  3. Step 3: Cross multiply
    1,241.78x = 1,862.94 × 592.52
  4. Step 4: Simplify right side
    1,241.78x = 1,103,829.21
  5. Step 5: Solve for x
    x = 1,103,829.21/1,241.78
  6. Step 6: Final answer
    x = 888.91

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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.