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Finding the Fourth Proportional to 542,798.20, 814,199.40 and 227,033.61

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Solution

The fourth proportional to 542,798.20, 814,199.40 and 227,033.61 is: 340,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,798.20 : 814,199.40 = 227,033.61 : x
  2. Step 2: Convert to fraction form
    542,798.20/814,199.40 = 227,033.61/x
  3. Step 3: Cross multiply
    542,798.20x = 814,199.40 × 227,033.61
  4. Step 4: Simplify right side
    542,798.20x = 184,850,623,835.67
  5. Step 5: Solve for x
    x = 184,850,623,835.67/542,798.20
  6. Step 6: Final answer
    x = 340,551.28

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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.