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Finding the Fourth Proportional to 328,077.43, 452,746.85 and 177,174.43

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Solution

The fourth proportional to 328,077.43, 452,746.85 and 177,174.43 is: 244,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,077.43 : 452,746.85 = 177,174.43 : x
  2. Step 2: Convert to fraction form
    328,077.43/452,746.85 = 177,174.43/x
  3. Step 3: Cross multiply
    328,077.43x = 452,746.85 × 177,174.43
  4. Step 4: Simplify right side
    328,077.43x = 80,215,165,083.05
  5. Step 5: Solve for x
    x = 80,215,165,083.05/328,077.43
  6. Step 6: Final answer
    x = 244,500.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.