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Finding the Fourth Proportional to 982,913.60, 1,471,605.60 and 883,380.80

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Solution

The fourth proportional to 982,913.60, 1,471,605.60 and 883,380.80 is: 1,322,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,913.60 : 1,471,605.60 = 883,380.80 : x
  2. Step 2: Convert to fraction form
    982,913.60/1,471,605.60 = 883,380.80/x
  3. Step 3: Cross multiply
    982,913.60x = 1,471,605.60 × 883,380.80
  4. Step 4: Simplify right side
    982,913.60x = 1,299,988,132,212.48
  5. Step 5: Solve for x
    x = 1,299,988,132,212.48/982,913.60
  6. Step 6: Final answer
    x = 1,322,586.37

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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.