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Finding the Fourth Proportional to 568,040.87, 783,943.25 and 323,102.34

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Solution

The fourth proportional to 568,040.87, 783,943.25 and 323,102.34 is: 445,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,040.87 : 783,943.25 = 323,102.34 : x
  2. Step 2: Convert to fraction form
    568,040.87/783,943.25 = 323,102.34/x
  3. Step 3: Cross multiply
    568,040.87x = 783,943.25 × 323,102.34
  4. Step 4: Simplify right side
    568,040.87x = 253,293,896,886.69
  5. Step 5: Solve for x
    x = 253,293,896,886.69/568,040.87
  6. Step 6: Final answer
    x = 445,907.87

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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.