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Finding the Fourth Proportional to 322,660.95, 445,272.48 and 179,417.91

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Solution

The fourth proportional to 322,660.95, 445,272.48 and 179,417.91 is: 247,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,660.95 : 445,272.48 = 179,417.91 : x
  2. Step 2: Convert to fraction form
    322,660.95/445,272.48 = 179,417.91/x
  3. Step 3: Cross multiply
    322,660.95x = 445,272.48 × 179,417.91
  4. Step 4: Simplify right side
    322,660.95x = 79,889,858,739.07
  5. Step 5: Solve for x
    x = 79,889,858,739.07/322,660.95
  6. Step 6: Final answer
    x = 247,596.93

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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.