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Finding the Fourth Proportional to 454,377.71, 627,015.66 and 250,428.02

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Solution

The fourth proportional to 454,377.71, 627,015.66 and 250,428.02 is: 345,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,377.71 : 627,015.66 = 250,428.02 : x
  2. Step 2: Convert to fraction form
    454,377.71/627,015.66 = 250,428.02/x
  3. Step 3: Cross multiply
    454,377.71x = 627,015.66 × 250,428.02
  4. Step 4: Simplify right side
    454,377.71x = 157,022,287,107.72
  5. Step 5: Solve for x
    x = 157,022,287,107.72/454,377.71
  6. Step 6: Final answer
    x = 345,576.57

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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.