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Finding the Fourth Proportional to 454,356.61, 627,016.25 and 250,414.81

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Solution

The fourth proportional to 454,356.61, 627,016.25 and 250,414.81 is: 345,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,356.61 : 627,016.25 = 250,414.81 : x
  2. Step 2: Convert to fraction form
    454,356.61/627,016.25 = 250,414.81/x
  3. Step 3: Cross multiply
    454,356.61x = 627,016.25 × 250,414.81
  4. Step 4: Simplify right side
    454,356.61x = 157,014,153,858.59
  5. Step 5: Solve for x
    x = 157,014,153,858.59/454,356.61
  6. Step 6: Final answer
    x = 345,574.71

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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.