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Finding the Fourth Proportional to 484,324.68, 726,479.72 and 217,897.04

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Solution

The fourth proportional to 484,324.68, 726,479.72 and 217,897.04 is: 326,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,324.68 : 726,479.72 = 217,897.04 : x
  2. Step 2: Convert to fraction form
    484,324.68/726,479.72 = 217,897.04/x
  3. Step 3: Cross multiply
    484,324.68x = 726,479.72 × 217,897.04
  4. Step 4: Simplify right side
    484,324.68x = 158,297,780,608.03
  5. Step 5: Solve for x
    x = 158,297,780,608.03/484,324.68
  6. Step 6: Final answer
    x = 326,842.28

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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.