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Finding the Fourth Proportional to 269,537.20, 404,305.80 and 80,004.40

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Solution

The fourth proportional to 269,537.20, 404,305.80 and 80,004.40 is: 120,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,537.20 : 404,305.80 = 80,004.40 : x
  2. Step 2: Convert to fraction form
    269,537.20/404,305.80 = 80,004.40/x
  3. Step 3: Cross multiply
    269,537.20x = 404,305.80 × 80,004.40
  4. Step 4: Simplify right side
    269,537.20x = 32,346,242,945.52
  5. Step 5: Solve for x
    x = 32,346,242,945.52/269,537.20
  6. Step 6: Final answer
    x = 120,006.60

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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.