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Finding the Fourth Proportional to 322,669.94, 445,284.90 and 179,426.92

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Solution

The fourth proportional to 322,669.94, 445,284.90 and 179,426.92 is: 247,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,669.94 : 445,284.90 = 179,426.92 : x
  2. Step 2: Convert to fraction form
    322,669.94/445,284.90 = 179,426.92/x
  3. Step 3: Cross multiply
    322,669.94x = 445,284.90 × 179,426.92
  4. Step 4: Simplify right side
    322,669.94x = 79,896,098,129.51
  5. Step 5: Solve for x
    x = 79,896,098,129.51/322,669.94
  6. Step 6: Final answer
    x = 247,609.36

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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.