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Finding the Fourth Proportional to 444,876.72, 667,315.08 and 112,452.72

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Solution

The fourth proportional to 444,876.72, 667,315.08 and 112,452.72 is: 168,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,876.72 : 667,315.08 = 112,452.72 : x
  2. Step 2: Convert to fraction form
    444,876.72/667,315.08 = 112,452.72/x
  3. Step 3: Cross multiply
    444,876.72x = 667,315.08 × 112,452.72
  4. Step 4: Simplify right side
    444,876.72x = 75,041,395,843.02
  5. Step 5: Solve for x
    x = 75,041,395,843.02/444,876.72
  6. Step 6: Final answer
    x = 168,679.08

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Similar ratio
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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.