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Finding the Fourth Proportional to 285,174.96, 427,521.84 and 179,761.52

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Solution

The fourth proportional to 285,174.96, 427,521.84 and 179,761.52 is: 269,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,174.96 : 427,521.84 = 179,761.52 : x
  2. Step 2: Convert to fraction form
    285,174.96/427,521.84 = 179,761.52/x
  3. Step 3: Cross multiply
    285,174.96x = 427,521.84 × 179,761.52
  4. Step 4: Simplify right side
    285,174.96x = 76,851,975,791.60
  5. Step 5: Solve for x
    x = 76,851,975,791.60/285,174.96
  6. Step 6: Final answer
    x = 269,490.62

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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.