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Finding the Fourth Proportional to 458,017.43, 632,067.84 and 254,081.75

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Solution

The fourth proportional to 458,017.43, 632,067.84 and 254,081.75 is: 350,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,017.43 : 632,067.84 = 254,081.75 : x
  2. Step 2: Convert to fraction form
    458,017.43/632,067.84 = 254,081.75/x
  3. Step 3: Cross multiply
    458,017.43x = 632,067.84 × 254,081.75
  4. Step 4: Simplify right side
    458,017.43x = 160,596,899,745.58
  5. Step 5: Solve for x
    x = 160,596,899,745.58/458,017.43
  6. Step 6: Final answer
    x = 350,634.91

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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.