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Finding the Fourth Proportional to 534,208.30, 801,309.43 and 134,847.43

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Solution

The fourth proportional to 534,208.30, 801,309.43 and 134,847.43 is: 202,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,208.30 : 801,309.43 = 134,847.43 : x
  2. Step 2: Convert to fraction form
    534,208.30/801,309.43 = 134,847.43/x
  3. Step 3: Cross multiply
    534,208.30x = 801,309.43 × 134,847.43
  4. Step 4: Simplify right side
    534,208.30x = 108,054,517,270.27
  5. Step 5: Solve for x
    x = 108,054,517,270.27/534,208.30
  6. Step 6: Final answer
    x = 202,270.38

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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.