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Finding the Fourth Proportional to 322,833.80, 445,508.51 and 177,648.42

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Solution

The fourth proportional to 322,833.80, 445,508.51 and 177,648.42 is: 245,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,833.80 : 445,508.51 = 177,648.42 : x
  2. Step 2: Convert to fraction form
    322,833.80/445,508.51 = 177,648.42/x
  3. Step 3: Cross multiply
    322,833.80x = 445,508.51 × 177,648.42
  4. Step 4: Simplify right side
    322,833.80x = 79,143,883,680.47
  5. Step 5: Solve for x
    x = 79,143,883,680.47/322,833.80
  6. Step 6: Final answer
    x = 245,153.65

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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.