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Finding the Fourth Proportional to 454,632.42, 627,363.74 and 250,684.62

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Solution

The fourth proportional to 454,632.42, 627,363.74 and 250,684.62 is: 345,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,632.42 : 627,363.74 = 250,684.62 : x
  2. Step 2: Convert to fraction form
    454,632.42/627,363.74 = 250,684.62/x
  3. Step 3: Cross multiply
    454,632.42x = 627,363.74 × 250,684.62
  4. Step 4: Simplify right side
    454,632.42x = 157,270,440,763.68
  5. Step 5: Solve for x
    x = 157,270,440,763.68/454,632.42
  6. Step 6: Final answer
    x = 345,928.79

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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.