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Finding the Fourth Proportional to 220,219.97, 330,258.87 and 62,406.05

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Solution

The fourth proportional to 220,219.97, 330,258.87 and 62,406.05 is: 93,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,219.97 : 330,258.87 = 62,406.05 : x
  2. Step 2: Convert to fraction form
    220,219.97/330,258.87 = 62,406.05/x
  3. Step 3: Cross multiply
    220,219.97x = 330,258.87 × 62,406.05
  4. Step 4: Simplify right side
    220,219.97x = 20,610,149,902.87
  5. Step 5: Solve for x
    x = 20,610,149,902.87/220,219.97
  6. Step 6: Final answer
    x = 93,588.93

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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.