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Finding the Fourth Proportional to 568,747.62, 784,877.09 and 323,720.42

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Solution

The fourth proportional to 568,747.62, 784,877.09 and 323,720.42 is: 446,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,747.62 : 784,877.09 = 323,720.42 : x
  2. Step 2: Convert to fraction form
    568,747.62/784,877.09 = 323,720.42/x
  3. Step 3: Cross multiply
    568,747.62x = 784,877.09 × 323,720.42
  4. Step 4: Simplify right side
    568,747.62x = 254,080,735,680.19
  5. Step 5: Solve for x
    x = 254,080,735,680.19/568,747.62
  6. Step 6: Final answer
    x = 446,737.23

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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.