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Finding the Fourth Proportional to 339,568.97, 468,410.00 and 212,023.13

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Solution

The fourth proportional to 339,568.97, 468,410.00 and 212,023.13 is: 292,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,568.97 : 468,410.00 = 212,023.13 : x
  2. Step 2: Convert to fraction form
    339,568.97/468,410.00 = 212,023.13/x
  3. Step 3: Cross multiply
    339,568.97x = 468,410.00 × 212,023.13
  4. Step 4: Simplify right side
    339,568.97x = 99,313,750,921.13
  5. Step 5: Solve for x
    x = 99,313,750,921.13/339,568.97
  6. Step 6: Final answer
    x = 292,470.05

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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.