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Finding the Fourth Proportional to 967,209.60, 1,448,049.60 and 867,676.80

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Solution

The fourth proportional to 967,209.60, 1,448,049.60 and 867,676.80 is: 1,299,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,209.60 : 1,448,049.60 = 867,676.80 : x
  2. Step 2: Convert to fraction form
    967,209.60/1,448,049.60 = 867,676.80/x
  3. Step 3: Cross multiply
    967,209.60x = 1,448,049.60 × 867,676.80
  4. Step 4: Simplify right side
    967,209.60x = 1,256,439,043,169.28
  5. Step 5: Solve for x
    x = 1,256,439,043,169.28/967,209.60
  6. Step 6: Final answer
    x = 1,299,034.92

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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.