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Finding the Fourth Proportional to 350,575.20, 526,046.40 and 161,092.80

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Solution

The fourth proportional to 350,575.20, 526,046.40 and 161,092.80 is: 241,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,575.20 : 526,046.40 = 161,092.80 : x
  2. Step 2: Convert to fraction form
    350,575.20/526,046.40 = 161,092.80/x
  3. Step 3: Cross multiply
    350,575.20x = 526,046.40 × 161,092.80
  4. Step 4: Simplify right side
    350,575.20x = 84,742,287,505.92
  5. Step 5: Solve for x
    x = 84,742,287,505.92/350,575.20
  6. Step 6: Final answer
    x = 241,723.57

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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.