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Finding the Fourth Proportional to 484,488.19, 726,732.51 and 217,937.29

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Solution

The fourth proportional to 484,488.19, 726,732.51 and 217,937.29 is: 326,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,488.19 : 726,732.51 = 217,937.29 : x
  2. Step 2: Convert to fraction form
    484,488.19/726,732.51 = 217,937.29/x
  3. Step 3: Cross multiply
    484,488.19x = 726,732.51 × 217,937.29
  4. Step 4: Simplify right side
    484,488.19x = 158,382,114,351.67
  5. Step 5: Solve for x
    x = 158,382,114,351.67/484,488.19
  6. Step 6: Final answer
    x = 326,906.04

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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.