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Finding the Fourth Proportional to 329,797.91, 455,120.33 and 178,894.91

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Solution

The fourth proportional to 329,797.91, 455,120.33 and 178,894.91 is: 246,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,797.91 : 455,120.33 = 178,894.91 : x
  2. Step 2: Convert to fraction form
    329,797.91/455,120.33 = 178,894.91/x
  3. Step 3: Cross multiply
    329,797.91x = 455,120.33 × 178,894.91
  4. Step 4: Simplify right side
    329,797.91x = 81,418,707,304.44
  5. Step 5: Solve for x
    x = 81,418,707,304.44/329,797.91
  6. Step 6: Final answer
    x = 246,874.54

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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.