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Finding the Fourth Proportional to 444,805.60, 667,208.40 and 220,079.20

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Solution

The fourth proportional to 444,805.60, 667,208.40 and 220,079.20 is: 330,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,805.60 : 667,208.40 = 220,079.20 : x
  2. Step 2: Convert to fraction form
    444,805.60/667,208.40 = 220,079.20/x
  3. Step 3: Cross multiply
    444,805.60x = 667,208.40 × 220,079.20
  4. Step 4: Simplify right side
    444,805.60x = 146,838,690,905.28
  5. Step 5: Solve for x
    x = 146,838,690,905.28/444,805.60
  6. Step 6: Final answer
    x = 330,118.80

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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.