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Finding the Fourth Proportional to 568,647.97, 784,868.81 and 327,070.13

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Solution

The fourth proportional to 568,647.97, 784,868.81 and 327,070.13 is: 451,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,647.97 : 784,868.81 = 327,070.13 : x
  2. Step 2: Convert to fraction form
    568,647.97/784,868.81 = 327,070.13/x
  3. Step 3: Cross multiply
    568,647.97x = 784,868.81 × 327,070.13
  4. Step 4: Simplify right side
    568,647.97x = 256,707,138,159.95
  5. Step 5: Solve for x
    x = 256,707,138,159.95/568,647.97
  6. Step 6: Final answer
    x = 451,434.20

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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.