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Finding the Fourth Proportional to 568,679.64, 784,951.65 and 350,954.88

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Solution

The fourth proportional to 568,679.64, 784,951.65 and 350,954.88 is: 484,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,679.64 : 784,951.65 = 350,954.88 : x
  2. Step 2: Convert to fraction form
    568,679.64/784,951.65 = 350,954.88/x
  3. Step 3: Cross multiply
    568,679.64x = 784,951.65 × 350,954.88
  4. Step 4: Simplify right side
    568,679.64x = 275,482,612,131.55
  5. Step 5: Solve for x
    x = 275,482,612,131.55/568,679.64
  6. Step 6: Final answer
    x = 484,424.96

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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.