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Finding the Fourth Proportional to 404,781.93, 558,648.33 and 235,016.07

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Solution

The fourth proportional to 404,781.93, 558,648.33 and 235,016.07 is: 324,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,781.93 : 558,648.33 = 235,016.07 : x
  2. Step 2: Convert to fraction form
    404,781.93/558,648.33 = 235,016.07/x
  3. Step 3: Cross multiply
    404,781.93x = 558,648.33 × 235,016.07
  4. Step 4: Simplify right side
    404,781.93x = 131,291,335,028.66
  5. Step 5: Solve for x
    x = 131,291,335,028.66/404,781.93
  6. Step 6: Final answer
    x = 324,350.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.