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Finding the Fourth Proportional to 444,803.60, 667,205.40 and 220,077.20

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Solution

The fourth proportional to 444,803.60, 667,205.40 and 220,077.20 is: 330,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,803.60 : 667,205.40 = 220,077.20 : x
  2. Step 2: Convert to fraction form
    444,803.60/667,205.40 = 220,077.20/x
  3. Step 3: Cross multiply
    444,803.60x = 667,205.40 × 220,077.20
  4. Step 4: Simplify right side
    444,803.60x = 146,836,696,256.88
  5. Step 5: Solve for x
    x = 146,836,696,256.88/444,803.60
  6. Step 6: Final answer
    x = 330,115.80

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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.