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Finding the Fourth Proportional to 435,020.73, 652,724.43 and 168,801.77

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Solution

The fourth proportional to 435,020.73, 652,724.43 and 168,801.77 is: 253,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,020.73 : 652,724.43 = 168,801.77 : x
  2. Step 2: Convert to fraction form
    435,020.73/652,724.43 = 168,801.77/x
  3. Step 3: Cross multiply
    435,020.73x = 652,724.43 × 168,801.77
  4. Step 4: Simplify right side
    435,020.73x = 110,181,040,105.05
  5. Step 5: Solve for x
    x = 110,181,040,105.05/435,020.73
  6. Step 6: Final answer
    x = 253,277.68

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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.