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Finding the Fourth Proportional to 220,339.83, 330,517.58 and 70,560.66

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Solution

The fourth proportional to 220,339.83, 330,517.58 and 70,560.66 is: 105,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,339.83 : 330,517.58 = 70,560.66 : x
  2. Step 2: Convert to fraction form
    220,339.83/330,517.58 = 70,560.66/x
  3. Step 3: Cross multiply
    220,339.83x = 330,517.58 × 70,560.66
  4. Step 4: Simplify right side
    220,339.83x = 23,321,538,233.60
  5. Step 5: Solve for x
    x = 23,321,538,233.60/220,339.83
  6. Step 6: Final answer
    x = 105,843.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.