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Finding the Fourth Proportional to 338,711.18, 467,420.88 and 195,471.20

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Solution

The fourth proportional to 338,711.18, 467,420.88 and 195,471.20 is: 269,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,711.18 : 467,420.88 = 195,471.20 : x
  2. Step 2: Convert to fraction form
    338,711.18/467,420.88 = 195,471.20/x
  3. Step 3: Cross multiply
    338,711.18x = 467,420.88 × 195,471.20
  4. Step 4: Simplify right side
    338,711.18x = 91,367,320,318.66
  5. Step 5: Solve for x
    x = 91,367,320,318.66/338,711.18
  6. Step 6: Final answer
    x = 269,749.94

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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.