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Finding the Fourth Proportional to 454,381.30, 627,037.96 and 247,651.48

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Solution

The fourth proportional to 454,381.30, 627,037.96 and 247,651.48 is: 341,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,381.30 : 627,037.96 = 247,651.48 : x
  2. Step 2: Convert to fraction form
    454,381.30/627,037.96 = 247,651.48/x
  3. Step 3: Cross multiply
    454,381.30x = 627,037.96 × 247,651.48
  4. Step 4: Simplify right side
    454,381.30x = 155,286,875,912.11
  5. Step 5: Solve for x
    x = 155,286,875,912.11/454,381.30
  6. Step 6: Final answer
    x = 341,754.55

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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.