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Finding the Fourth Proportional to 454,460.80, 627,202.56 and 273,231.76

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Solution

The fourth proportional to 454,460.80, 627,202.56 and 273,231.76 is: 377,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,460.80 : 627,202.56 = 273,231.76 : x
  2. Step 2: Convert to fraction form
    454,460.80/627,202.56 = 273,231.76/x
  3. Step 3: Cross multiply
    454,460.80x = 627,202.56 × 273,231.76
  4. Step 4: Simplify right side
    454,460.80x = 171,371,659,345.31
  5. Step 5: Solve for x
    x = 171,371,659,345.31/454,460.80
  6. Step 6: Final answer
    x = 377,087.88

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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.