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Finding the Fourth Proportional to 338,447.25, 467,057.25 and 187,544.25

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Solution

The fourth proportional to 338,447.25, 467,057.25 and 187,544.25 is: 258,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,447.25 : 467,057.25 = 187,544.25 : x
  2. Step 2: Convert to fraction form
    338,447.25/467,057.25 = 187,544.25/x
  3. Step 3: Cross multiply
    338,447.25x = 467,057.25 × 187,544.25
  4. Step 4: Simplify right side
    338,447.25x = 87,593,901,658.31
  5. Step 5: Solve for x
    x = 87,593,901,658.31/338,447.25
  6. Step 6: Final answer
    x = 258,811.09

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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.