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Finding the Fourth Proportional to 884,062.80, 1,324,532.60 and 854,827.60

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Solution

The fourth proportional to 884,062.80, 1,324,532.60 and 854,827.60 is: 1,280,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,062.80 : 1,324,532.60 = 854,827.60 : x
  2. Step 2: Convert to fraction form
    884,062.80/1,324,532.60 = 854,827.60/x
  3. Step 3: Cross multiply
    884,062.80x = 1,324,532.60 × 854,827.60
  4. Step 4: Simplify right side
    884,062.80x = 1,132,247,023,579.76
  5. Step 5: Solve for x
    x = 1,132,247,023,579.76/884,062.80
  6. Step 6: Final answer
    x = 1,280,731.44

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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.