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Finding the Fourth Proportional to 269,600.30, 404,659.65 and 136,630.70

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Solution

The fourth proportional to 269,600.30, 404,659.65 and 136,630.70 is: 205,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,600.30 : 404,659.65 = 136,630.70 : x
  2. Step 2: Convert to fraction form
    269,600.30/404,659.65 = 136,630.70/x
  3. Step 3: Cross multiply
    269,600.30x = 404,659.65 × 136,630.70
  4. Step 4: Simplify right side
    269,600.30x = 55,288,931,241.26
  5. Step 5: Solve for x
    x = 55,288,931,241.26/269,600.30
  6. Step 6: Final answer
    x = 205,077.41

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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.