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Finding the Fourth Proportional to 568,766.88, 784,902.96 and 314,122.32

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Solution

The fourth proportional to 568,766.88, 784,902.96 and 314,122.32 is: 433,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,766.88 : 784,902.96 = 314,122.32 : x
  2. Step 2: Convert to fraction form
    568,766.88/784,902.96 = 314,122.32/x
  3. Step 3: Cross multiply
    568,766.88x = 784,902.96 × 314,122.32
  4. Step 4: Simplify right side
    568,766.88x = 246,555,538,770.07
  5. Step 5: Solve for x
    x = 246,555,538,770.07/568,766.88
  6. Step 6: Final answer
    x = 433,491.38

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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.