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Finding the Fourth Proportional to 395,469.29, 593,231.50 and 158,811.89

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Solution

The fourth proportional to 395,469.29, 593,231.50 and 158,811.89 is: 238,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,469.29 : 593,231.50 = 158,811.89 : x
  2. Step 2: Convert to fraction form
    395,469.29/593,231.50 = 158,811.89/x
  3. Step 3: Cross multiply
    395,469.29x = 593,231.50 × 158,811.89
  4. Step 4: Simplify right side
    395,469.29x = 94,212,215,398.50
  5. Step 5: Solve for x
    x = 94,212,215,398.50/395,469.29
  6. Step 6: Final answer
    x = 238,228.91

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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.