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Finding the Fourth Proportional to 344,618.88, 516,733.92 and 134,015.64

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Solution

The fourth proportional to 344,618.88, 516,733.92 and 134,015.64 is: 200,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,618.88 : 516,733.92 = 134,015.64 : x
  2. Step 2: Convert to fraction form
    344,618.88/516,733.92 = 134,015.64/x
  3. Step 3: Cross multiply
    344,618.88x = 516,733.92 × 134,015.64
  4. Step 4: Simplify right side
    344,618.88x = 69,250,426,998.51
  5. Step 5: Solve for x
    x = 69,250,426,998.51/344,618.88
  6. Step 6: Final answer
    x = 200,947.86

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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.