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Finding the Fourth Proportional to 568,459.53, 784,469.34 and 313,805.25

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Solution

The fourth proportional to 568,459.53, 784,469.34 and 313,805.25 is: 433,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,459.53 : 784,469.34 = 313,805.25 : x
  2. Step 2: Convert to fraction form
    568,459.53/784,469.34 = 313,805.25/x
  3. Step 3: Cross multiply
    568,459.53x = 784,469.34 × 313,805.25
  4. Step 4: Simplify right side
    568,459.53x = 246,170,597,356.04
  5. Step 5: Solve for x
    x = 246,170,597,356.04/568,459.53
  6. Step 6: Final answer
    x = 433,048.59

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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.