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Finding the Fourth Proportional to 534,991.23, 802,530.59 and 219,450.87

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Solution

The fourth proportional to 534,991.23, 802,530.59 and 219,450.87 is: 329,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,991.23 : 802,530.59 = 219,450.87 : x
  2. Step 2: Convert to fraction form
    534,991.23/802,530.59 = 219,450.87/x
  3. Step 3: Cross multiply
    534,991.23x = 802,530.59 × 219,450.87
  4. Step 4: Simplify right side
    534,991.23x = 176,116,035,079.86
  5. Step 5: Solve for x
    x = 176,116,035,079.86/534,991.23
  6. Step 6: Final answer
    x = 329,194.25

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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.