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Finding the Fourth Proportional to 932,629.60, 1,398,944.40 and 854,869.60

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Solution

The fourth proportional to 932,629.60, 1,398,944.40 and 854,869.60 is: 1,282,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,629.60 : 1,398,944.40 = 854,869.60 : x
  2. Step 2: Convert to fraction form
    932,629.60/1,398,944.40 = 854,869.60/x
  3. Step 3: Cross multiply
    932,629.60x = 1,398,944.40 × 854,869.60
  4. Step 4: Simplify right side
    932,629.60x = 1,195,915,039,650.24
  5. Step 5: Solve for x
    x = 1,195,915,039,650.24/932,629.60
  6. Step 6: Final answer
    x = 1,282,304.40

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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.