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Finding the Fourth Proportional to 454,425.64, 627,143.54 and 250,512.84

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Solution

The fourth proportional to 454,425.64, 627,143.54 and 250,512.84 is: 345,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,425.64 : 627,143.54 = 250,512.84 : x
  2. Step 2: Convert to fraction form
    454,425.64/627,143.54 = 250,512.84/x
  3. Step 3: Cross multiply
    454,425.64x = 627,143.54 × 250,512.84
  4. Step 4: Simplify right side
    454,425.64x = 157,107,509,293.05
  5. Step 5: Solve for x
    x = 157,107,509,293.05/454,425.64
  6. Step 6: Final answer
    x = 345,727.65

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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.