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Finding the Fourth Proportional to 454,432.96, 627,121.88 and 250,491.88

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Solution

The fourth proportional to 454,432.96, 627,121.88 and 250,491.88 is: 345,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,432.96 : 627,121.88 = 250,491.88 : x
  2. Step 2: Convert to fraction form
    454,432.96/627,121.88 = 250,491.88/x
  3. Step 3: Cross multiply
    454,432.96x = 627,121.88 × 250,491.88
  4. Step 4: Simplify right side
    454,432.96x = 157,088,938,710.33
  5. Step 5: Solve for x
    x = 157,088,938,710.33/454,432.96
  6. Step 6: Final answer
    x = 345,681.22

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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.