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Finding the Fourth Proportional to 343,586.04, 515,370.56 and 133,224.02

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Solution

The fourth proportional to 343,586.04, 515,370.56 and 133,224.02 is: 199,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,586.04 : 515,370.56 = 133,224.02 : x
  2. Step 2: Convert to fraction form
    343,586.04/515,370.56 = 133,224.02/x
  3. Step 3: Cross multiply
    343,586.04x = 515,370.56 × 133,224.02
  4. Step 4: Simplify right side
    343,586.04x = 68,659,737,792.85
  5. Step 5: Solve for x
    x = 68,659,737,792.85/343,586.04
  6. Step 6: Final answer
    x = 199,832.73

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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.