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Finding the Fourth Proportional to 322,590.38, 445,149.51 and 179,341.70

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Solution

The fourth proportional to 322,590.38, 445,149.51 and 179,341.70 is: 247,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,590.38 : 445,149.51 = 179,341.70 : x
  2. Step 2: Convert to fraction form
    322,590.38/445,149.51 = 179,341.70/x
  3. Step 3: Cross multiply
    322,590.38x = 445,149.51 × 179,341.70
  4. Step 4: Simplify right side
    322,590.38x = 79,833,869,877.57
  5. Step 5: Solve for x
    x = 79,833,869,877.57/322,590.38
  6. Step 6: Final answer
    x = 247,477.53

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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.