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Finding the Fourth Proportional to 342,197.10, 472,190.58 and 189,224.82

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Solution

The fourth proportional to 342,197.10, 472,190.58 and 189,224.82 is: 261,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,197.10 : 472,190.58 = 189,224.82 : x
  2. Step 2: Convert to fraction form
    342,197.10/472,190.58 = 189,224.82/x
  3. Step 3: Cross multiply
    342,197.10x = 472,190.58 × 189,224.82
  4. Step 4: Simplify right side
    342,197.10x = 89,350,177,506.20
  5. Step 5: Solve for x
    x = 89,350,177,506.20/342,197.10
  6. Step 6: Final answer
    x = 261,107.35

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1.5x scale

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.