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Finding the Fourth Proportional to 342,586.11, 472,781.49 and 187,548.27

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Solution

The fourth proportional to 342,586.11, 472,781.49 and 187,548.27 is: 258,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,586.11 : 472,781.49 = 187,548.27 : x
  2. Step 2: Convert to fraction form
    342,586.11/472,781.49 = 187,548.27/x
  3. Step 3: Cross multiply
    342,586.11x = 472,781.49 × 187,548.27
  4. Step 4: Simplify right side
    342,586.11x = 88,669,350,537.52
  5. Step 5: Solve for x
    x = 88,669,350,537.52/342,586.11
  6. Step 6: Final answer
    x = 258,823.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.