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Finding the Fourth Proportional to 396,293.96, 593,525.81 and 238,174.04

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Solution

The fourth proportional to 396,293.96, 593,525.81 and 238,174.04 is: 356,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,293.96 : 593,525.81 = 238,174.04 : x
  2. Step 2: Convert to fraction form
    396,293.96/593,525.81 = 238,174.04/x
  3. Step 3: Cross multiply
    396,293.96x = 593,525.81 × 238,174.04
  4. Step 4: Simplify right side
    396,293.96x = 141,362,435,853.47
  5. Step 5: Solve for x
    x = 141,362,435,853.47/396,293.96
  6. Step 6: Final answer
    x = 356,711.06

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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.