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Finding the Fourth Proportional to 587,321.52, 881,040.44 and 187,862

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Solution

The fourth proportional to 587,321.52, 881,040.44 and 187,862 is: 281,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,321.52 : 881,040.44 = 187,862 : x
  2. Step 2: Convert to fraction form
    587,321.52/881,040.44 = 187,862/x
  3. Step 3: Cross multiply
    587,321.52x = 881,040.44 × 187,862
  4. Step 4: Simplify right side
    587,321.52x = 165,514,019,139.28
  5. Step 5: Solve for x
    x = 165,514,019,139.28/587,321.52
  6. Step 6: Final answer
    x = 281,811.60

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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.