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Finding the Fourth Proportional to 454,605.23, 627,360.13 and 250,656.54

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Solution

The fourth proportional to 454,605.23, 627,360.13 and 250,656.54 is: 345,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,605.23 : 627,360.13 = 250,656.54 : x
  2. Step 2: Convert to fraction form
    454,605.23/627,360.13 = 250,656.54/x
  3. Step 3: Cross multiply
    454,605.23x = 627,360.13 × 250,656.54
  4. Step 4: Simplify right side
    454,605.23x = 157,251,919,519.75
  5. Step 5: Solve for x
    x = 157,251,919,519.75/454,605.23
  6. Step 6: Final answer
    x = 345,908.73

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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.