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Finding the Fourth Proportional to 372,866.39, 558,257.31 and 201,474.03

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Solution

The fourth proportional to 372,866.39, 558,257.31 and 201,474.03 is: 301,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,866.39 : 558,257.31 = 201,474.03 : x
  2. Step 2: Convert to fraction form
    372,866.39/558,257.31 = 201,474.03/x
  3. Step 3: Cross multiply
    372,866.39x = 558,257.31 × 201,474.03
  4. Step 4: Simplify right side
    372,866.39x = 112,474,350,022.66
  5. Step 5: Solve for x
    x = 112,474,350,022.66/372,866.39
  6. Step 6: Final answer
    x = 301,647.87

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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.