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Finding the Fourth Proportional to 542,894.40, 814,659.12 and 227,324.88

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Solution

The fourth proportional to 542,894.40, 814,659.12 and 227,324.88 is: 341,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,894.40 : 814,659.12 = 227,324.88 : x
  2. Step 2: Convert to fraction form
    542,894.40/814,659.12 = 227,324.88/x
  3. Step 3: Cross multiply
    542,894.40x = 814,659.12 × 227,324.88
  4. Step 4: Simplify right side
    542,894.40x = 185,192,286,694.91
  5. Step 5: Solve for x
    x = 185,192,286,694.91/542,894.40
  6. Step 6: Final answer
    x = 341,120.27

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1.5x scale

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.