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Finding the Fourth Proportional to 454,375.20, 627,012.18 and 250,425.51

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Solution

The fourth proportional to 454,375.20, 627,012.18 and 250,425.51 is: 345,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,375.20 : 627,012.18 = 250,425.51 : x
  2. Step 2: Convert to fraction form
    454,375.20/627,012.18 = 250,425.51/x
  3. Step 3: Cross multiply
    454,375.20x = 627,012.18 × 250,425.51
  4. Step 4: Simplify right side
    454,375.20x = 157,019,844,952.71
  5. Step 5: Solve for x
    x = 157,019,844,952.71/454,375.20
  6. Step 6: Final answer
    x = 345,573.10

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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.