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Finding the Fourth Proportional to 412,375.73, 569,049.76 and 228,612.49

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Solution

The fourth proportional to 412,375.73, 569,049.76 and 228,612.49 is: 315,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,375.73 : 569,049.76 = 228,612.49 : x
  2. Step 2: Convert to fraction form
    412,375.73/569,049.76 = 228,612.49/x
  3. Step 3: Cross multiply
    412,375.73x = 569,049.76 × 228,612.49
  4. Step 4: Simplify right side
    412,375.73x = 130,091,880,573.35
  5. Step 5: Solve for x
    x = 130,091,880,573.35/412,375.73
  6. Step 6: Final answer
    x = 315,469.29

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1.5x scale

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.