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Finding the Fourth Proportional to 322,555.80, 445,153.95 and 179,329.17

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Solution

The fourth proportional to 322,555.80, 445,153.95 and 179,329.17 is: 247,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,555.80 : 445,153.95 = 179,329.17 : x
  2. Step 2: Convert to fraction form
    322,555.80/445,153.95 = 179,329.17/x
  3. Step 3: Cross multiply
    322,555.80x = 445,153.95 × 179,329.17
  4. Step 4: Simplify right side
    322,555.80x = 79,829,088,375.72
  5. Step 5: Solve for x
    x = 79,829,088,375.72/322,555.80
  6. Step 6: Final answer
    x = 247,489.24

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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.