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Finding the Fourth Proportional to 542,528.20, 814,181.10 and 227,211.40

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Solution

The fourth proportional to 542,528.20, 814,181.10 and 227,211.40 is: 340,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,528.20 : 814,181.10 = 227,211.40 : x
  2. Step 2: Convert to fraction form
    542,528.20/814,181.10 = 227,211.40/x
  3. Step 3: Cross multiply
    542,528.20x = 814,181.10 × 227,211.40
  4. Step 4: Simplify right side
    542,528.20x = 184,991,227,584.54
  5. Step 5: Solve for x
    x = 184,991,227,584.54/542,528.20
  6. Step 6: Final answer
    x = 340,979.93

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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.