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Finding the Fourth Proportional to 573,191.30, 859,795.12 and 218,224.80

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Solution

The fourth proportional to 573,191.30, 859,795.12 and 218,224.80 is: 327,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,191.30 : 859,795.12 = 218,224.80 : x
  2. Step 2: Convert to fraction form
    573,191.30/859,795.12 = 218,224.80/x
  3. Step 3: Cross multiply
    573,191.30x = 859,795.12 × 218,224.80
  4. Step 4: Simplify right side
    573,191.30x = 187,628,618,102.98
  5. Step 5: Solve for x
    x = 187,628,618,102.98/573,191.30
  6. Step 6: Final answer
    x = 327,340.31

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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.