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Finding the Fourth Proportional to 322,732.74, 445,364.85 and 179,489.70

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Solution

The fourth proportional to 322,732.74, 445,364.85 and 179,489.70 is: 247,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,732.74 : 445,364.85 = 179,489.70 : x
  2. Step 2: Convert to fraction form
    322,732.74/445,364.85 = 179,489.70/x
  3. Step 3: Cross multiply
    322,732.74x = 445,364.85 × 179,489.70
  4. Step 4: Simplify right side
    322,732.74x = 79,938,403,317.05
  5. Step 5: Solve for x
    x = 79,938,403,317.05/322,732.74
  6. Step 6: Final answer
    x = 247,692.26

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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.