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Finding the Fourth Proportional to 342,542.44, 472,704.42 and 215,292.52

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Solution

The fourth proportional to 342,542.44, 472,704.42 and 215,292.52 is: 297,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,542.44 : 472,704.42 = 215,292.52 : x
  2. Step 2: Convert to fraction form
    342,542.44/472,704.42 = 215,292.52/x
  3. Step 3: Cross multiply
    342,542.44x = 472,704.42 × 215,292.52
  4. Step 4: Simplify right side
    342,542.44x = 101,769,725,796.94
  5. Step 5: Solve for x
    x = 101,769,725,796.94/342,542.44
  6. Step 6: Final answer
    x = 297,101.07

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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.