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Finding the Fourth Proportional to 269,513.52, 404,289.72 and 82,500.72

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Solution

The fourth proportional to 269,513.52, 404,289.72 and 82,500.72 is: 123,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,513.52 : 404,289.72 = 82,500.72 : x
  2. Step 2: Convert to fraction form
    269,513.52/404,289.72 = 82,500.72/x
  3. Step 3: Cross multiply
    269,513.52x = 404,289.72 × 82,500.72
  4. Step 4: Simplify right side
    269,513.52x = 33,354,192,988.60
  5. Step 5: Solve for x
    x = 33,354,192,988.60/269,513.52
  6. Step 6: Final answer
    x = 123,757.03

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1.5x scale

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.