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Finding the Fourth Proportional to 269,725.91, 404,459.64 and 127,452.78

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Solution

The fourth proportional to 269,725.91, 404,459.64 and 127,452.78 is: 191,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,725.91 : 404,459.64 = 127,452.78 : x
  2. Step 2: Convert to fraction form
    269,725.91/404,459.64 = 127,452.78/x
  3. Step 3: Cross multiply
    269,725.91x = 404,459.64 × 127,452.78
  4. Step 4: Simplify right side
    269,725.91x = 51,549,505,515.80
  5. Step 5: Solve for x
    x = 51,549,505,515.80/269,725.91
  6. Step 6: Final answer
    x = 191,118.11

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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.