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Finding the Fourth Proportional to 454,476.85, 627,149.88 and 250,517.23

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Solution

The fourth proportional to 454,476.85, 627,149.88 and 250,517.23 is: 345,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,476.85 : 627,149.88 = 250,517.23 : x
  2. Step 2: Convert to fraction form
    454,476.85/627,149.88 = 250,517.23/x
  3. Step 3: Cross multiply
    454,476.85x = 627,149.88 × 250,517.23
  4. Step 4: Simplify right side
    454,476.85x = 157,111,849,164.56
  5. Step 5: Solve for x
    x = 157,111,849,164.56/454,476.85
  6. Step 6: Final answer
    x = 345,698.25

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1.5x scale

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.