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Finding the Fourth Proportional to 296,769.40, 445,154.10 and 267,220.60

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Solution

The fourth proportional to 296,769.40, 445,154.10 and 267,220.60 is: 400,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,769.40 : 445,154.10 = 267,220.60 : x
  2. Step 2: Convert to fraction form
    296,769.40/445,154.10 = 267,220.60/x
  3. Step 3: Cross multiply
    296,769.40x = 445,154.10 × 267,220.60
  4. Step 4: Simplify right side
    296,769.40x = 118,954,345,694.46
  5. Step 5: Solve for x
    x = 118,954,345,694.46/296,769.40
  6. Step 6: Final answer
    x = 400,830.90

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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.