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Finding the Fourth Proportional to 828,329.72, 1,242,626.07 and 267,233

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Solution

The fourth proportional to 828,329.72, 1,242,626.07 and 267,233 is: 400,891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,329.72 : 1,242,626.07 = 267,233 : x
  2. Step 2: Convert to fraction form
    828,329.72/1,242,626.07 = 267,233/x
  3. Step 3: Cross multiply
    828,329.72x = 1,242,626.07 × 267,233
  4. Step 4: Simplify right side
    828,329.72x = 332,070,692,564.31
  5. Step 5: Solve for x
    x = 332,070,692,564.31/828,329.72
  6. Step 6: Final answer
    x = 400,891.92

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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.