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Finding the Fourth Proportional to 568,027.04, 783,737.52 and 347,208.56

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Solution

The fourth proportional to 568,027.04, 783,737.52 and 347,208.56 is: 479,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,027.04 : 783,737.52 = 347,208.56 : x
  2. Step 2: Convert to fraction form
    568,027.04/783,737.52 = 347,208.56/x
  3. Step 3: Cross multiply
    568,027.04x = 783,737.52 × 347,208.56
  4. Step 4: Simplify right side
    568,027.04x = 272,120,375,737.17
  5. Step 5: Solve for x
    x = 272,120,375,737.17/568,027.04
  6. Step 6: Final answer
    x = 479,062.36

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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.