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Finding the Fourth Proportional to 454,879.65, 627,723.88 and 250,930.74

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Solution

The fourth proportional to 454,879.65, 627,723.88 and 250,930.74 is: 346,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,879.65 : 627,723.88 = 250,930.74 : x
  2. Step 2: Convert to fraction form
    454,879.65/627,723.88 = 250,930.74/x
  3. Step 3: Cross multiply
    454,879.65x = 627,723.88 × 250,930.74
  4. Step 4: Simplify right side
    454,879.65x = 157,515,217,724.07
  5. Step 5: Solve for x
    x = 157,515,217,724.07/454,879.65
  6. Step 6: Final answer
    x = 346,278.88

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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.