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Finding the Fourth Proportional to 982,001.80, 1,469,892.30 and 770,494.60

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Solution

The fourth proportional to 982,001.80, 1,469,892.30 and 770,494.60 is: 1,153,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,001.80 : 1,469,892.30 = 770,494.60 : x
  2. Step 2: Convert to fraction form
    982,001.80/1,469,892.30 = 770,494.60/x
  3. Step 3: Cross multiply
    982,001.80x = 1,469,892.30 × 770,494.60
  4. Step 4: Simplify right side
    982,001.80x = 1,132,544,079,731.58
  5. Step 5: Solve for x
    x = 1,132,544,079,731.58/982,001.80
  6. Step 6: Final answer
    x = 1,153,301.43

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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.