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Finding the Fourth Proportional to 534,447.45, 801,723.96 and 155,371.68

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Solution

The fourth proportional to 534,447.45, 801,723.96 and 155,371.68 is: 233,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,447.45 : 801,723.96 = 155,371.68 : x
  2. Step 2: Convert to fraction form
    534,447.45/801,723.96 = 155,371.68/x
  3. Step 3: Cross multiply
    534,447.45x = 801,723.96 × 155,371.68
  4. Step 4: Simplify right side
    534,447.45x = 124,565,198,561.45
  5. Step 5: Solve for x
    x = 124,565,198,561.45/534,447.45
  6. Step 6: Final answer
    x = 233,072.87

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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.