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Finding the Fourth Proportional to 484,512.78, 726,614.16 and 160,240.65

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Solution

The fourth proportional to 484,512.78, 726,614.16 and 160,240.65 is: 240,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,512.78 : 726,614.16 = 160,240.65 : x
  2. Step 2: Convert to fraction form
    484,512.78/726,614.16 = 160,240.65/x
  3. Step 3: Cross multiply
    484,512.78x = 726,614.16 × 160,240.65
  4. Step 4: Simplify right side
    484,512.78x = 116,433,125,297.60
  5. Step 5: Solve for x
    x = 116,433,125,297.60/484,512.78
  6. Step 6: Final answer
    x = 240,309.71

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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.