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Finding the Fourth Proportional to 412,038.87, 568,600.35 and 228,269.88

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Solution

The fourth proportional to 412,038.87, 568,600.35 and 228,269.88 is: 315,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,038.87 : 568,600.35 = 228,269.88 : x
  2. Step 2: Convert to fraction form
    412,038.87/568,600.35 = 228,269.88/x
  3. Step 3: Cross multiply
    412,038.87x = 568,600.35 × 228,269.88
  4. Step 4: Simplify right side
    412,038.87x = 129,794,331,831.01
  5. Step 5: Solve for x
    x = 129,794,331,831.01/412,038.87
  6. Step 6: Final answer
    x = 315,005.06

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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.