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Finding the Fourth Proportional to 220,585.74, 330,717.30 and 70,740.73

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Solution

The fourth proportional to 220,585.74, 330,717.30 and 70,740.73 is: 106,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,585.74 : 330,717.30 = 70,740.73 : x
  2. Step 2: Convert to fraction form
    220,585.74/330,717.30 = 70,740.73/x
  3. Step 3: Cross multiply
    220,585.74x = 330,717.30 × 70,740.73
  4. Step 4: Simplify right side
    220,585.74x = 23,395,183,225.63
  5. Step 5: Solve for x
    x = 23,395,183,225.63/220,585.74
  6. Step 6: Final answer
    x = 106,059.36

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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.