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Finding the Fourth Proportional to 339,966.36, 468,797.36 and 253,787.11

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Solution

The fourth proportional to 339,966.36, 468,797.36 and 253,787.11 is: 349,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,966.36 : 468,797.36 = 253,787.11 : x
  2. Step 2: Convert to fraction form
    339,966.36/468,797.36 = 253,787.11/x
  3. Step 3: Cross multiply
    339,966.36x = 468,797.36 × 253,787.11
  4. Step 4: Simplify right side
    339,966.36x = 118,974,727,170.03
  5. Step 5: Solve for x
    x = 118,974,727,170.03/339,966.36
  6. Step 6: Final answer
    x = 349,960.30

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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.