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Finding the Fourth Proportional to 577,982.80, 866,974.20 and 151,517.80

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Solution

The fourth proportional to 577,982.80, 866,974.20 and 151,517.80 is: 227,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,982.80 : 866,974.20 = 151,517.80 : x
  2. Step 2: Convert to fraction form
    577,982.80/866,974.20 = 151,517.80/x
  3. Step 3: Cross multiply
    577,982.80x = 866,974.20 × 151,517.80
  4. Step 4: Simplify right side
    577,982.80x = 131,362,023,440.76
  5. Step 5: Solve for x
    x = 131,362,023,440.76/577,982.80
  6. Step 6: Final answer
    x = 227,276.70

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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.