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Finding the Fourth Proportional to 544,143.20, 816,216.68 and 165,067.20

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Solution

The fourth proportional to 544,143.20, 816,216.68 and 165,067.20 is: 247,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,143.20 : 816,216.68 = 165,067.20 : x
  2. Step 2: Convert to fraction form
    544,143.20/816,216.68 = 165,067.20/x
  3. Step 3: Cross multiply
    544,143.20x = 816,216.68 × 165,067.20
  4. Step 4: Simplify right side
    544,143.20x = 134,730,601,960.90
  5. Step 5: Solve for x
    x = 134,730,601,960.90/544,143.20
  6. Step 6: Final answer
    x = 247,601.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.