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Finding the Fourth Proportional to 568,475.41, 784,491.25 and 313,821.13

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Solution

The fourth proportional to 568,475.41, 784,491.25 and 313,821.13 is: 433,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,475.41 : 784,491.25 = 313,821.13 : x
  2. Step 2: Convert to fraction form
    568,475.41/784,491.25 = 313,821.13/x
  3. Step 3: Cross multiply
    568,475.41x = 784,491.25 × 313,821.13
  4. Step 4: Simplify right side
    568,475.41x = 246,189,930,550.11
  5. Step 5: Solve for x
    x = 246,189,930,550.11/568,475.41
  6. Step 6: Final answer
    x = 433,070.50

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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.