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Finding the Fourth Proportional to 544,382.85, 816,521.48 and 165,306.87

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Solution

The fourth proportional to 544,382.85, 816,521.48 and 165,306.87 is: 247,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,382.85 : 816,521.48 = 165,306.87 : x
  2. Step 2: Convert to fraction form
    544,382.85/816,521.48 = 165,306.87/x
  3. Step 3: Cross multiply
    544,382.85x = 816,521.48 × 165,306.87
  4. Step 4: Simplify right side
    544,382.85x = 134,976,605,237.43
  5. Step 5: Solve for x
    x = 134,976,605,237.43/544,382.85
  6. Step 6: Final answer
    x = 247,944.26

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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.