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Finding the Fourth Proportional to 534,969.73, 802,164.78 and 235,099.21

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Solution

The fourth proportional to 534,969.73, 802,164.78 and 235,099.21 is: 352,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,969.73 : 802,164.78 = 235,099.21 : x
  2. Step 2: Convert to fraction form
    534,969.73/802,164.78 = 235,099.21/x
  3. Step 3: Cross multiply
    534,969.73x = 802,164.78 × 235,099.21
  4. Step 4: Simplify right side
    534,969.73x = 188,588,306,067.82
  5. Step 5: Solve for x
    x = 188,588,306,067.82/534,969.73
  6. Step 6: Final answer
    x = 352,521.45

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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.