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Finding the Fourth Proportional to 322,585.80, 445,158.54 and 177,391.32

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Solution

The fourth proportional to 322,585.80, 445,158.54 and 177,391.32 is: 244,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,585.80 : 445,158.54 = 177,391.32 : x
  2. Step 2: Convert to fraction form
    322,585.80/445,158.54 = 177,391.32/x
  3. Step 3: Cross multiply
    322,585.80x = 445,158.54 × 177,391.32
  4. Step 4: Simplify right side
    322,585.80x = 78,967,261,019.87
  5. Step 5: Solve for x
    x = 78,967,261,019.87/322,585.80
  6. Step 6: Final answer
    x = 244,794.60

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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.