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Finding the Fourth Proportional to 544,452.05, 816,844.22 and 278,399.45

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Solution

The fourth proportional to 544,452.05, 816,844.22 and 278,399.45 is: 417,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,452.05 : 816,844.22 = 278,399.45 : x
  2. Step 2: Convert to fraction form
    544,452.05/816,844.22 = 278,399.45/x
  3. Step 3: Cross multiply
    544,452.05x = 816,844.22 × 278,399.45
  4. Step 4: Simplify right side
    544,452.05x = 227,408,981,780.62
  5. Step 5: Solve for x
    x = 227,408,981,780.62/544,452.05
  6. Step 6: Final answer
    x = 417,684.13

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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.