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Finding the Fourth Proportional to 315,502.08, 472,147.20 and 244,930.56

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Solution

The fourth proportional to 315,502.08, 472,147.20 and 244,930.56 is: 366,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,502.08 : 472,147.20 = 244,930.56 : x
  2. Step 2: Convert to fraction form
    315,502.08/472,147.20 = 244,930.56/x
  3. Step 3: Cross multiply
    315,502.08x = 472,147.20 × 244,930.56
  4. Step 4: Simplify right side
    315,502.08x = 115,643,278,098.43
  5. Step 5: Solve for x
    x = 115,643,278,098.43/315,502.08
  6. Step 6: Final answer
    x = 366,537.29

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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.