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Finding the Fourth Proportional to 344,479.84, 516,619.32 and 134,067.76

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Solution

The fourth proportional to 344,479.84, 516,619.32 and 134,067.76 is: 201,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,479.84 : 516,619.32 = 134,067.76 : x
  2. Step 2: Convert to fraction form
    344,479.84/516,619.32 = 134,067.76/x
  3. Step 3: Cross multiply
    344,479.84x = 516,619.32 × 134,067.76
  4. Step 4: Simplify right side
    344,479.84x = 69,261,995,005.12
  5. Step 5: Solve for x
    x = 69,261,995,005.12/344,479.84
  6. Step 6: Final answer
    x = 201,062.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.