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Finding the Fourth Proportional to 322,885.54, 445,603.34 and 179,645.88

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Solution

The fourth proportional to 322,885.54, 445,603.34 and 179,645.88 is: 247,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,885.54 : 445,603.34 = 179,645.88 : x
  2. Step 2: Convert to fraction form
    322,885.54/445,603.34 = 179,645.88/x
  3. Step 3: Cross multiply
    322,885.54x = 445,603.34 × 179,645.88
  4. Step 4: Simplify right side
    322,885.54x = 80,050,806,265.37
  5. Step 5: Solve for x
    x = 80,050,806,265.37/322,885.54
  6. Step 6: Final answer
    x = 247,923.17

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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.