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Finding the Fourth Proportional to 534,965.60, 802,759.44 and 219,648.80

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Solution

The fourth proportional to 534,965.60, 802,759.44 and 219,648.80 is: 329,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,965.60 : 802,759.44 = 219,648.80 : x
  2. Step 2: Convert to fraction form
    534,965.60/802,759.44 = 219,648.80/x
  3. Step 3: Cross multiply
    534,965.60x = 802,759.44 × 219,648.80
  4. Step 4: Simplify right side
    534,965.60x = 176,325,147,684.67
  5. Step 5: Solve for x
    x = 176,325,147,684.67/534,965.60
  6. Step 6: Final answer
    x = 329,600.91

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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.