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Finding the Fourth Proportional to 568,460.03, 784,470.03 and 313,805.75

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Solution

The fourth proportional to 568,460.03, 784,470.03 and 313,805.75 is: 433,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,460.03 : 784,470.03 = 313,805.75 : x
  2. Step 2: Convert to fraction form
    568,460.03/784,470.03 = 313,805.75/x
  3. Step 3: Cross multiply
    568,460.03x = 784,470.03 × 313,805.75
  4. Step 4: Simplify right side
    568,460.03x = 246,171,206,116.67
  5. Step 5: Solve for x
    x = 246,171,206,116.67/568,460.03
  6. Step 6: Final answer
    x = 433,049.28

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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.