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Finding the Fourth Proportional to 371,432.44, 557,369.98 and 134,793.56

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Solution

The fourth proportional to 371,432.44, 557,369.98 and 134,793.56 is: 202,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,432.44 : 557,369.98 = 134,793.56 : x
  2. Step 2: Convert to fraction form
    371,432.44/557,369.98 = 134,793.56/x
  3. Step 3: Cross multiply
    371,432.44x = 557,369.98 × 134,793.56
  4. Step 4: Simplify right side
    371,432.44x = 75,129,883,841.33
  5. Step 5: Solve for x
    x = 75,129,883,841.33/371,432.44
  6. Step 6: Final answer
    x = 202,270.66

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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.