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Finding the Fourth Proportional to 330,610.92, 456,211.24 and 185,422.68

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Solution

The fourth proportional to 330,610.92, 456,211.24 and 185,422.68 is: 255,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,610.92 : 456,211.24 = 185,422.68 : x
  2. Step 2: Convert to fraction form
    330,610.92/456,211.24 = 185,422.68/x
  3. Step 3: Cross multiply
    330,610.92x = 456,211.24 × 185,422.68
  4. Step 4: Simplify right side
    330,610.92x = 84,591,910,766.92
  5. Step 5: Solve for x
    x = 84,591,910,766.92/330,610.92
  6. Step 6: Final answer
    x = 255,865.45

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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.