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Finding the Fourth Proportional to 568,602.25, 784,650.51 and 313,947.97

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Solution

The fourth proportional to 568,602.25, 784,650.51 and 313,947.97 is: 433,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,602.25 : 784,650.51 = 313,947.97 : x
  2. Step 2: Convert to fraction form
    568,602.25/784,650.51 = 313,947.97/x
  3. Step 3: Cross multiply
    568,602.25x = 784,650.51 × 313,947.97
  4. Step 4: Simplify right side
    568,602.25x = 246,339,432,812.34
  5. Step 5: Solve for x
    x = 246,339,432,812.34/568,602.25
  6. Step 6: Final answer
    x = 433,236.83

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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.