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Finding the Fourth Proportional to 534,674.62, 802,011.75 and 135,317.44

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Solution

The fourth proportional to 534,674.62, 802,011.75 and 135,317.44 is: 202,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,674.62 : 802,011.75 = 135,317.44 : x
  2. Step 2: Convert to fraction form
    534,674.62/802,011.75 = 135,317.44/x
  3. Step 3: Cross multiply
    534,674.62x = 802,011.75 × 135,317.44
  4. Step 4: Simplify right side
    534,674.62x = 108,526,176,859.92
  5. Step 5: Solve for x
    x = 108,526,176,859.92/534,674.62
  6. Step 6: Final answer
    x = 202,976.11

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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.