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Finding the Fourth Proportional to 568,545.02, 784,660.94 and 323,589.34

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Solution

The fourth proportional to 568,545.02, 784,660.94 and 323,589.34 is: 446,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,545.02 : 784,660.94 = 323,589.34 : x
  2. Step 2: Convert to fraction form
    568,545.02/784,660.94 = 323,589.34/x
  3. Step 3: Cross multiply
    568,545.02x = 784,660.94 × 323,589.34
  4. Step 4: Simplify right side
    568,545.02x = 253,907,915,698.38
  5. Step 5: Solve for x
    x = 253,907,915,698.38/568,545.02
  6. Step 6: Final answer
    x = 446,592.45

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Similar ratio
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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.