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Finding the Fourth Proportional to 269,426.70, 404,140.05 and 247,556.70

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Solution

The fourth proportional to 269,426.70, 404,140.05 and 247,556.70 is: 371,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,426.70 : 404,140.05 = 247,556.70 : x
  2. Step 2: Convert to fraction form
    269,426.70/404,140.05 = 247,556.70/x
  3. Step 3: Cross multiply
    269,426.70x = 404,140.05 × 247,556.70
  4. Step 4: Simplify right side
    269,426.70x = 100,047,577,115.84
  5. Step 5: Solve for x
    x = 100,047,577,115.84/269,426.70
  6. Step 6: Final answer
    x = 371,335.05

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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.