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Finding the Fourth Proportional to 372,263.77, 558,183.79 and 254,078.29

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Solution

The fourth proportional to 372,263.77, 558,183.79 and 254,078.29 is: 380,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,263.77 : 558,183.79 = 254,078.29 : x
  2. Step 2: Convert to fraction form
    372,263.77/558,183.79 = 254,078.29/x
  3. Step 3: Cross multiply
    372,263.77x = 558,183.79 × 254,078.29
  4. Step 4: Simplify right side
    372,263.77x = 141,822,382,868.92
  5. Step 5: Solve for x
    x = 141,822,382,868.92/372,263.77
  6. Step 6: Final answer
    x = 380,972.83

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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.