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Finding the Fourth Proportional to 534,673.62, 802,010.25 and 135,316.44

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Solution

The fourth proportional to 534,673.62, 802,010.25 and 135,316.44 is: 202,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,673.62 : 802,010.25 = 135,316.44 : x
  2. Step 2: Convert to fraction form
    534,673.62/802,010.25 = 135,316.44/x
  3. Step 3: Cross multiply
    534,673.62x = 802,010.25 × 135,316.44
  4. Step 4: Simplify right side
    534,673.62x = 108,525,171,873.51
  5. Step 5: Solve for x
    x = 108,525,171,873.51/534,673.62
  6. Step 6: Final answer
    x = 202,974.61

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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.