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Finding the Fourth Proportional to 326,001.33, 488,879.16 and 136,474.80

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Solution

The fourth proportional to 326,001.33, 488,879.16 and 136,474.80 is: 204,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,001.33 : 488,879.16 = 136,474.80 : x
  2. Step 2: Convert to fraction form
    326,001.33/488,879.16 = 136,474.80/x
  3. Step 3: Cross multiply
    326,001.33x = 488,879.16 × 136,474.80
  4. Step 4: Simplify right side
    326,001.33x = 66,719,687,445.19
  5. Step 5: Solve for x
    x = 66,719,687,445.19/326,001.33
  6. Step 6: Final answer
    x = 204,660.78

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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.