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Finding the Fourth Proportional to 542,826.70, 814,240.05 and 227,250.70

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Solution

The fourth proportional to 542,826.70, 814,240.05 and 227,250.70 is: 340,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,826.70 : 814,240.05 = 227,250.70 : x
  2. Step 2: Convert to fraction form
    542,826.70/814,240.05 = 227,250.70/x
  3. Step 3: Cross multiply
    542,826.70x = 814,240.05 × 227,250.70
  4. Step 4: Simplify right side
    542,826.70x = 185,036,621,330.54
  5. Step 5: Solve for x
    x = 185,036,621,330.54/542,826.70
  6. Step 6: Final answer
    x = 340,876.05

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Double scale
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Similar ratio
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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.