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Finding the Fourth Proportional to 542,981.80, 814,764.30 and 227,470.60

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Solution

The fourth proportional to 542,981.80, 814,764.30 and 227,470.60 is: 341,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,981.80 : 814,764.30 = 227,470.60 : x
  2. Step 2: Convert to fraction form
    542,981.80/814,764.30 = 227,470.60/x
  3. Step 3: Cross multiply
    542,981.80x = 814,764.30 × 227,470.60
  4. Step 4: Simplify right side
    542,981.80x = 185,334,924,179.58
  5. Step 5: Solve for x
    x = 185,334,924,179.58/542,981.80
  6. Step 6: Final answer
    x = 341,328.06

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Double scale
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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.