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Finding the Fourth Proportional to 338,728.80, 467,412.07 and 195,534.98

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Solution

The fourth proportional to 338,728.80, 467,412.07 and 195,534.98 is: 269,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,728.80 : 467,412.07 = 195,534.98 : x
  2. Step 2: Convert to fraction form
    338,728.80/467,412.07 = 195,534.98/x
  3. Step 3: Cross multiply
    338,728.80x = 467,412.07 × 195,534.98
  4. Step 4: Simplify right side
    338,728.80x = 91,395,409,052.73
  5. Step 5: Solve for x
    x = 91,395,409,052.73/338,728.80
  6. Step 6: Final answer
    x = 269,818.83

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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.