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Finding the Fourth Proportional to 498,979.97, 688,592.58 and 269,537.24

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Solution

The fourth proportional to 498,979.97, 688,592.58 and 269,537.24 is: 371,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,979.97 : 688,592.58 = 269,537.24 : x
  2. Step 2: Convert to fraction form
    498,979.97/688,592.58 = 269,537.24/x
  3. Step 3: Cross multiply
    498,979.97x = 688,592.58 × 269,537.24
  4. Step 4: Simplify right side
    498,979.97x = 185,601,343,497.68
  5. Step 5: Solve for x
    x = 185,601,343,497.68/498,979.97
  6. Step 6: Final answer
    x = 371,961.51

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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.