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Finding the Fourth Proportional to 395,190.66, 592,896.99 and 158,699.42

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Solution

The fourth proportional to 395,190.66, 592,896.99 and 158,699.42 is: 238,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,190.66 : 592,896.99 = 158,699.42 : x
  2. Step 2: Convert to fraction form
    395,190.66/592,896.99 = 158,699.42/x
  3. Step 3: Cross multiply
    395,190.66x = 592,896.99 × 158,699.42
  4. Step 4: Simplify right side
    395,190.66x = 94,092,408,432.75
  5. Step 5: Solve for x
    x = 94,092,408,432.75/395,190.66
  6. Step 6: Final answer
    x = 238,093.71

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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.