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Finding the Fourth Proportional to 568,798.61, 784,927.97 and 327,075.42

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Solution

The fourth proportional to 568,798.61, 784,927.97 and 327,075.42 is: 451,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,798.61 : 784,927.97 = 327,075.42 : x
  2. Step 2: Convert to fraction form
    568,798.61/784,927.97 = 327,075.42/x
  3. Step 3: Cross multiply
    568,798.61x = 784,927.97 × 327,075.42
  4. Step 4: Simplify right side
    568,798.61x = 256,730,643,576.91
  5. Step 5: Solve for x
    x = 256,730,643,576.91/568,798.61
  6. Step 6: Final answer
    x = 451,355.97

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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.