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Finding the Fourth Proportional to 560,067,517.80, 840,101,276.70 and 151,123,012.20

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Solution

The fourth proportional to 560,067,517.80, 840,101,276.70 and 151,123,012.20 is: 226,684,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,067,517.80 : 840,101,276.70 = 151,123,012.20 : x
  2. Step 2: Convert to fraction form
    560,067,517.80/840,101,276.70 = 151,123,012.20/x
  3. Step 3: Cross multiply
    560,067,517.80x = 840,101,276.70 × 151,123,012.20
  4. Step 4: Simplify right side
    560,067,517.80x = 126,958,635,487,969,680
  5. Step 5: Solve for x
    x = 126,958,635,487,969,680/560,067,517.80
  6. Step 6: Final answer
    x = 226,684,518.30

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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.