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Finding the Fourth Proportional to 458,067.88, 632,134.43 and 254,118.80

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Solution

The fourth proportional to 458,067.88, 632,134.43 and 254,118.80 is: 350,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,067.88 : 632,134.43 = 254,118.80 : x
  2. Step 2: Convert to fraction form
    458,067.88/632,134.43 = 254,118.80/x
  3. Step 3: Cross multiply
    458,067.88x = 632,134.43 × 254,118.80
  4. Step 4: Simplify right side
    458,067.88x = 160,637,242,790.28
  5. Step 5: Solve for x
    x = 160,637,242,790.28/458,067.88
  6. Step 6: Final answer
    x = 350,684.36

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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.