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Finding the Fourth Proportional to 454,431.80, 627,162.54 and 273,202.76

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Solution

The fourth proportional to 454,431.80, 627,162.54 and 273,202.76 is: 377,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,431.80 : 627,162.54 = 273,202.76 : x
  2. Step 2: Convert to fraction form
    454,431.80/627,162.54 = 273,202.76/x
  3. Step 3: Cross multiply
    454,431.80x = 627,162.54 × 273,202.76
  4. Step 4: Simplify right side
    454,431.80x = 171,342,536,896.61
  5. Step 5: Solve for x
    x = 171,342,536,896.61/454,431.80
  6. Step 6: Final answer
    x = 377,047.86

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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.