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Finding the Fourth Proportional to 372,231.37, 558,440.61 and 119,534.46

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Solution

The fourth proportional to 372,231.37, 558,440.61 and 119,534.46 is: 179,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,231.37 : 558,440.61 = 119,534.46 : x
  2. Step 2: Convert to fraction form
    372,231.37/558,440.61 = 119,534.46/x
  3. Step 3: Cross multiply
    372,231.37x = 558,440.61 × 119,534.46
  4. Step 4: Simplify right side
    372,231.37x = 66,752,896,758.42
  5. Step 5: Solve for x
    x = 66,752,896,758.42/372,231.37
  6. Step 6: Final answer
    x = 179,331.73

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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.