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Finding the Fourth Proportional to 568,648.53, 784,776.30 and 327,006.90

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Solution

The fourth proportional to 568,648.53, 784,776.30 and 327,006.90 is: 451,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,648.53 : 784,776.30 = 327,006.90 : x
  2. Step 2: Convert to fraction form
    568,648.53/784,776.30 = 327,006.90/x
  3. Step 3: Cross multiply
    568,648.53x = 784,776.30 × 327,006.90
  4. Step 4: Simplify right side
    568,648.53x = 256,627,265,056.47
  5. Step 5: Solve for x
    x = 256,627,265,056.47/568,648.53
  6. Step 6: Final answer
    x = 451,293.29

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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.