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Finding the Fourth Proportional to 338,425.92, 467,028 and 187,525.44

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Solution

The fourth proportional to 338,425.92, 467,028 and 187,525.44 is: 258,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,425.92 : 467,028 = 187,525.44 : x
  2. Step 2: Convert to fraction form
    338,425.92/467,028 = 187,525.44/x
  3. Step 3: Cross multiply
    338,425.92x = 467,028 × 187,525.44
  4. Step 4: Simplify right side
    338,425.92x = 87,579,631,192.32
  5. Step 5: Solve for x
    x = 87,579,631,192.32/338,425.92
  6. Step 6: Final answer
    x = 258,785.23

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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.