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Finding the Fourth Proportional to 372,626.83, 558,949.44 and 135,969.46

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Solution

The fourth proportional to 372,626.83, 558,949.44 and 135,969.46 is: 203,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,626.83 : 558,949.44 = 135,969.46 : x
  2. Step 2: Convert to fraction form
    372,626.83/558,949.44 = 135,969.46/x
  3. Step 3: Cross multiply
    372,626.83x = 558,949.44 × 135,969.46
  4. Step 4: Simplify right side
    372,626.83x = 76,000,053,524.10
  5. Step 5: Solve for x
    x = 76,000,053,524.10/372,626.83
  6. Step 6: Final answer
    x = 203,957.55

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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.