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Finding the Fourth Proportional to 550,040.40, 824,945.40 and 269,758.80

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Solution

The fourth proportional to 550,040.40, 824,945.40 and 269,758.80 is: 404,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,040.40 : 824,945.40 = 269,758.80 : x
  2. Step 2: Convert to fraction form
    550,040.40/824,945.40 = 269,758.80/x
  3. Step 3: Cross multiply
    550,040.40x = 824,945.40 × 269,758.80
  4. Step 4: Simplify right side
    550,040.40x = 222,536,281,169.52
  5. Step 5: Solve for x
    x = 222,536,281,169.52/550,040.40
  6. Step 6: Final answer
    x = 404,581.70

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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.