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Finding the Fourth Proportional to 322,660.66, 445,272.08 and 179,417.64

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Solution

The fourth proportional to 322,660.66, 445,272.08 and 179,417.64 is: 247,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,660.66 : 445,272.08 = 179,417.64 : x
  2. Step 2: Convert to fraction form
    322,660.66/445,272.08 = 179,417.64/x
  3. Step 3: Cross multiply
    322,660.66x = 445,272.08 × 179,417.64
  4. Step 4: Simplify right side
    322,660.66x = 79,889,665,751.49
  5. Step 5: Solve for x
    x = 79,889,665,751.49/322,660.66
  6. Step 6: Final answer
    x = 247,596.55

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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.