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Finding the Fourth Proportional to 308,370.92, 425,546.34 and 174,232.04

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Solution

The fourth proportional to 308,370.92, 425,546.34 and 174,232.04 is: 240,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,370.92 : 425,546.34 = 174,232.04 : x
  2. Step 2: Convert to fraction form
    308,370.92/425,546.34 = 174,232.04/x
  3. Step 3: Cross multiply
    308,370.92x = 425,546.34 × 174,232.04
  4. Step 4: Simplify right side
    308,370.92x = 74,143,806,932.73
  5. Step 5: Solve for x
    x = 74,143,806,932.73/308,370.92
  6. Step 6: Final answer
    x = 240,437.09

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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.