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Finding the Fourth Proportional to 338,410.44, 467,007.12 and 187,507.44

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Solution

The fourth proportional to 338,410.44, 467,007.12 and 187,507.44 is: 258,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,410.44 : 467,007.12 = 187,507.44 : x
  2. Step 2: Convert to fraction form
    338,410.44/467,007.12 = 187,507.44/x
  3. Step 3: Cross multiply
    338,410.44x = 467,007.12 × 187,507.44
  4. Step 4: Simplify right side
    338,410.44x = 87,567,309,532.97
  5. Step 5: Solve for x
    x = 87,567,309,532.97/338,410.44
  6. Step 6: Final answer
    x = 258,760.66

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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.