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Finding the Fourth Proportional to 338,999.52, 467,993.52 and 238,844.64

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Solution

The fourth proportional to 338,999.52, 467,993.52 and 238,844.64 is: 329,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,999.52 : 467,993.52 = 238,844.64 : x
  2. Step 2: Convert to fraction form
    338,999.52/467,993.52 = 238,844.64/x
  3. Step 3: Cross multiply
    338,999.52x = 467,993.52 × 238,844.64
  4. Step 4: Simplify right side
    338,999.52x = 111,777,743,806.73
  5. Step 5: Solve for x
    x = 111,777,743,806.73/338,999.52
  6. Step 6: Final answer
    x = 329,728.32

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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.