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Finding the Fourth Proportional to 534,782.60, 802,289.10 and 160,843.40

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Solution

The fourth proportional to 534,782.60, 802,289.10 and 160,843.40 is: 241,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,782.60 : 802,289.10 = 160,843.40 : x
  2. Step 2: Convert to fraction form
    534,782.60/802,289.10 = 160,843.40/x
  3. Step 3: Cross multiply
    534,782.60x = 802,289.10 × 160,843.40
  4. Step 4: Simplify right side
    534,782.60x = 129,042,906,626.94
  5. Step 5: Solve for x
    x = 129,042,906,626.94/534,782.60
  6. Step 6: Final answer
    x = 241,299.75

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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.