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Finding the Fourth Proportional to 982,591.80, 1,473,887.70 and 866,470.20

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Solution

The fourth proportional to 982,591.80, 1,473,887.70 and 866,470.20 is: 1,299,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,591.80 : 1,473,887.70 = 866,470.20 : x
  2. Step 2: Convert to fraction form
    982,591.80/1,473,887.70 = 866,470.20/x
  3. Step 3: Cross multiply
    982,591.80x = 1,473,887.70 × 866,470.20
  4. Step 4: Simplify right side
    982,591.80x = 1,277,079,770,196.54
  5. Step 5: Solve for x
    x = 1,277,079,770,196.54/982,591.80
  6. Step 6: Final answer
    x = 1,299,705.30

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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.