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Finding the Fourth Proportional to 220,465.17, 330,662.33 and 60,503.73

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Solution

The fourth proportional to 220,465.17, 330,662.33 and 60,503.73 is: 90,745.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,465.17 : 330,662.33 = 60,503.73 : x
  2. Step 2: Convert to fraction form
    220,465.17/330,662.33 = 60,503.73/x
  3. Step 3: Cross multiply
    220,465.17x = 330,662.33 × 60,503.73
  4. Step 4: Simplify right side
    220,465.17x = 20,006,304,032.97
  5. Step 5: Solve for x
    x = 20,006,304,032.97/220,465.17
  6. Step 6: Final answer
    x = 90,745.87

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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.