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Finding the Fourth Proportional to 542,810.20, 814,217.37 and 227,045.65

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Solution

The fourth proportional to 542,810.20, 814,217.37 and 227,045.65 is: 340,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,810.20 : 814,217.37 = 227,045.65 : x
  2. Step 2: Convert to fraction form
    542,810.20/814,217.37 = 227,045.65/x
  3. Step 3: Cross multiply
    542,810.20x = 814,217.37 × 227,045.65
  4. Step 4: Simplify right side
    542,810.20x = 184,864,512,012.94
  5. Step 5: Solve for x
    x = 184,864,512,012.94/542,810.20
  6. Step 6: Final answer
    x = 340,569.34

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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.