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Finding the Fourth Proportional to 454,374.65, 627,028.88 and 247,644.90

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Solution

The fourth proportional to 454,374.65, 627,028.88 and 247,644.90 is: 341,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,374.65 : 627,028.88 = 247,644.90 : x
  2. Step 2: Convert to fraction form
    454,374.65/627,028.88 = 247,644.90/x
  3. Step 3: Cross multiply
    454,374.65x = 627,028.88 × 247,644.90
  4. Step 4: Simplify right side
    454,374.65x = 155,280,504,284.71
  5. Step 5: Solve for x
    x = 155,280,504,284.71/454,374.65
  6. Step 6: Final answer
    x = 341,745.53

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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.