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Finding the Fourth Proportional to 367,622.70, 550,512.45 and 293,894.70

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Solution

The fourth proportional to 367,622.70, 550,512.45 and 293,894.70 is: 440,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,622.70 : 550,512.45 = 293,894.70 : x
  2. Step 2: Convert to fraction form
    367,622.70/550,512.45 = 293,894.70/x
  3. Step 3: Cross multiply
    367,622.70x = 550,512.45 × 293,894.70
  4. Step 4: Simplify right side
    367,622.70x = 161,792,691,339.02
  5. Step 5: Solve for x
    x = 161,792,691,339.02/367,622.70
  6. Step 6: Final answer
    x = 440,105.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.