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Finding the Fourth Proportional to 544,382.32, 816,520.68 and 165,306.34

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Solution

The fourth proportional to 544,382.32, 816,520.68 and 165,306.34 is: 247,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,382.32 : 816,520.68 = 165,306.34 : x
  2. Step 2: Convert to fraction form
    544,382.32/816,520.68 = 165,306.34/x
  3. Step 3: Cross multiply
    544,382.32x = 816,520.68 × 165,306.34
  4. Step 4: Simplify right side
    544,382.32x = 134,976,045,145.11
  5. Step 5: Solve for x
    x = 134,976,045,145.11/544,382.32
  6. Step 6: Final answer
    x = 247,943.48

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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.