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Finding the Fourth Proportional to 269,809.40, 404,714.10 and 225,850.70

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Solution

The fourth proportional to 269,809.40, 404,714.10 and 225,850.70 is: 338,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,809.40 : 404,714.10 = 225,850.70 : x
  2. Step 2: Convert to fraction form
    269,809.40/404,714.10 = 225,850.70/x
  3. Step 3: Cross multiply
    269,809.40x = 404,714.10 × 225,850.70
  4. Step 4: Simplify right side
    269,809.40x = 91,404,962,784.87
  5. Step 5: Solve for x
    x = 91,404,962,784.87/269,809.40
  6. Step 6: Final answer
    x = 338,776.05

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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.