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Finding the Fourth Proportional to 454,540.74, 627,254.70 and 250,586.96

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Solution

The fourth proportional to 454,540.74, 627,254.70 and 250,586.96 is: 345,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,540.74 : 627,254.70 = 250,586.96 : x
  2. Step 2: Convert to fraction form
    454,540.74/627,254.70 = 250,586.96/x
  3. Step 3: Cross multiply
    454,540.74x = 627,254.70 × 250,586.96
  4. Step 4: Simplify right side
    454,540.74x = 157,181,848,418.71
  5. Step 5: Solve for x
    x = 157,181,848,418.71/454,540.74
  6. Step 6: Final answer
    x = 345,803.65

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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.