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Finding the Fourth Proportional to 325,252.56, 448,789.50 and 187,410

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Solution

The fourth proportional to 325,252.56, 448,789.50 and 187,410 is: 258,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,252.56 : 448,789.50 = 187,410 : x
  2. Step 2: Convert to fraction form
    325,252.56/448,789.50 = 187,410/x
  3. Step 3: Cross multiply
    325,252.56x = 448,789.50 × 187,410
  4. Step 4: Simplify right side
    325,252.56x = 84,107,640,195
  5. Step 5: Solve for x
    x = 84,107,640,195/325,252.56
  6. Step 6: Final answer
    x = 258,591.79

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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.