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Finding the Fourth Proportional to 568,882.80, 785,056.32 and 327,153.96

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Solution

The fourth proportional to 568,882.80, 785,056.32 and 327,153.96 is: 451,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,882.80 : 785,056.32 = 327,153.96 : x
  2. Step 2: Convert to fraction form
    568,882.80/785,056.32 = 327,153.96/x
  3. Step 3: Cross multiply
    568,882.80x = 785,056.32 × 327,153.96
  4. Step 4: Simplify right side
    568,882.80x = 256,834,283,911.03
  5. Step 5: Solve for x
    x = 256,834,283,911.03/568,882.80
  6. Step 6: Final answer
    x = 451,471.35

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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.