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Finding the Fourth Proportional to 323,158.32, 445,976.19 and 179,915.22

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Solution

The fourth proportional to 323,158.32, 445,976.19 and 179,915.22 is: 248,292.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,158.32 : 445,976.19 = 179,915.22 : x
  2. Step 2: Convert to fraction form
    323,158.32/445,976.19 = 179,915.22/x
  3. Step 3: Cross multiply
    323,158.32x = 445,976.19 × 179,915.22
  4. Step 4: Simplify right side
    323,158.32x = 80,237,904,338.61
  5. Step 5: Solve for x
    x = 80,237,904,338.61/323,158.32
  6. Step 6: Final answer
    x = 248,292.86

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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.