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Finding the Fourth Proportional to 322,611, 445,182.12 and 179,365.74

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Solution

The fourth proportional to 322,611, 445,182.12 and 179,365.74 is: 247,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,611 : 445,182.12 = 179,365.74 : x
  2. Step 2: Convert to fraction form
    322,611/445,182.12 = 179,365.74/x
  3. Step 3: Cross multiply
    322,611x = 445,182.12 × 179,365.74
  4. Step 4: Simplify right side
    322,611x = 79,850,420,388.57
  5. Step 5: Solve for x
    x = 79,850,420,388.57/322,611
  6. Step 6: Final answer
    x = 247,513.01

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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.