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Finding the Fourth Proportional to 342,471.44, 472,660.73 and 197,249.31

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Solution

The fourth proportional to 342,471.44, 472,660.73 and 197,249.31 is: 272,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,471.44 : 472,660.73 = 197,249.31 : x
  2. Step 2: Convert to fraction form
    342,471.44/472,660.73 = 197,249.31/x
  3. Step 3: Cross multiply
    342,471.44x = 472,660.73 × 197,249.31
  4. Step 4: Simplify right side
    342,471.44x = 93,232,001,870.35
  5. Step 5: Solve for x
    x = 93,232,001,870.35/342,471.44
  6. Step 6: Final answer
    x = 272,232.93

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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.