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Finding the Fourth Proportional to 542,863.08, 814,163.40 and 227,556

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Solution

The fourth proportional to 542,863.08, 814,163.40 and 227,556 is: 341,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,863.08 : 814,163.40 = 227,556 : x
  2. Step 2: Convert to fraction form
    542,863.08/814,163.40 = 227,556/x
  3. Step 3: Cross multiply
    542,863.08x = 814,163.40 × 227,556
  4. Step 4: Simplify right side
    542,863.08x = 185,267,766,650.40
  5. Step 5: Solve for x
    x = 185,267,766,650.40/542,863.08
  6. Step 6: Final answer
    x = 341,279.00

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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.