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Finding the Fourth Proportional to 322,617.76, 445,211.03 and 179,369.26

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Solution

The fourth proportional to 322,617.76, 445,211.03 and 179,369.26 is: 247,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,617.76 : 445,211.03 = 179,369.26 : x
  2. Step 2: Convert to fraction form
    322,617.76/445,211.03 = 179,369.26/x
  3. Step 3: Cross multiply
    322,617.76x = 445,211.03 × 179,369.26
  4. Step 4: Simplify right side
    322,617.76x = 79,857,172,994.94
  5. Step 5: Solve for x
    x = 79,857,172,994.94/322,617.76
  6. Step 6: Final answer
    x = 247,528.76

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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.