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Finding the Fourth Proportional to 322,658.67, 445,269.33 and 179,415.63

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Solution

The fourth proportional to 322,658.67, 445,269.33 and 179,415.63 is: 247,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,658.67 : 445,269.33 = 179,415.63 : x
  2. Step 2: Convert to fraction form
    322,658.67/445,269.33 = 179,415.63/x
  3. Step 3: Cross multiply
    322,658.67x = 445,269.33 × 179,415.63
  4. Step 4: Simplify right side
    322,658.67x = 79,888,278,109.34
  5. Step 5: Solve for x
    x = 79,888,278,109.34/322,658.67
  6. Step 6: Final answer
    x = 247,593.78

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1.5x scale

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.