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Finding the Fourth Proportional to 534,382.11, 801,498.65 and 134,998.11

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Solution

The fourth proportional to 534,382.11, 801,498.65 and 134,998.11 is: 202,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,382.11 : 801,498.65 = 134,998.11 : x
  2. Step 2: Convert to fraction form
    534,382.11/801,498.65 = 134,998.11/x
  3. Step 3: Cross multiply
    534,382.11x = 801,498.65 × 134,998.11
  4. Step 4: Simplify right side
    534,382.11x = 108,200,802,242.56
  5. Step 5: Solve for x
    x = 108,200,802,242.56/534,382.11
  6. Step 6: Final answer
    x = 202,478.34

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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.