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Finding the Fourth Proportional to 295,392.15, 407,642.82 and 168,067.74

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Solution

The fourth proportional to 295,392.15, 407,642.82 and 168,067.74 is: 231,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,392.15 : 407,642.82 = 168,067.74 : x
  2. Step 2: Convert to fraction form
    295,392.15/407,642.82 = 168,067.74/x
  3. Step 3: Cross multiply
    295,392.15x = 407,642.82 × 168,067.74
  4. Step 4: Simplify right side
    295,392.15x = 68,511,607,904.80
  5. Step 5: Solve for x
    x = 68,511,607,904.80/295,392.15
  6. Step 6: Final answer
    x = 231,934.43

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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.