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Finding the Fourth Proportional to 568,365.19, 784,344.03 and 313,716.44

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Solution

The fourth proportional to 568,365.19, 784,344.03 and 313,716.44 is: 432,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,365.19 : 784,344.03 = 313,716.44 : x
  2. Step 2: Convert to fraction form
    568,365.19/784,344.03 = 313,716.44/x
  3. Step 3: Cross multiply
    568,365.19x = 784,344.03 × 313,716.44
  4. Step 4: Simplify right side
    568,365.19x = 246,061,617,611.28
  5. Step 5: Solve for x
    x = 246,061,617,611.28/568,365.19
  6. Step 6: Final answer
    x = 432,928.73

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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.