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Finding the Fourth Proportional to 342,168.96, 472,183.92 and 191,295.12

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Solution

The fourth proportional to 342,168.96, 472,183.92 and 191,295.12 is: 263,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,168.96 : 472,183.92 = 191,295.12 : x
  2. Step 2: Convert to fraction form
    342,168.96/472,183.92 = 191,295.12/x
  3. Step 3: Cross multiply
    342,168.96x = 472,183.92 × 191,295.12
  4. Step 4: Simplify right side
    342,168.96x = 90,326,479,638.47
  5. Step 5: Solve for x
    x = 90,326,479,638.47/342,168.96
  6. Step 6: Final answer
    x = 263,982.10

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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.