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Finding the Fourth Proportional to 700,878.44, 967,212.11 and 378,588.56

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Solution

The fourth proportional to 700,878.44, 967,212.11 and 378,588.56 is: 522,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,878.44 : 967,212.11 = 378,588.56 : x
  2. Step 2: Convert to fraction form
    700,878.44/967,212.11 = 378,588.56/x
  3. Step 3: Cross multiply
    700,878.44x = 967,212.11 × 378,588.56
  4. Step 4: Simplify right side
    700,878.44x = 366,175,436,049.87
  5. Step 5: Solve for x
    x = 366,175,436,049.87/700,878.44
  6. Step 6: Final answer
    x = 522,452.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.