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Finding the Fourth Proportional to 573,591.02, 859,611.44 and 218,411.29

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Solution

The fourth proportional to 573,591.02, 859,611.44 and 218,411.29 is: 327,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,591.02 : 859,611.44 = 218,411.29 : x
  2. Step 2: Convert to fraction form
    573,591.02/859,611.44 = 218,411.29/x
  3. Step 3: Cross multiply
    573,591.02x = 859,611.44 × 218,411.29
  4. Step 4: Simplify right side
    573,591.02x = 187,748,839,065.82
  5. Step 5: Solve for x
    x = 187,748,839,065.82/573,591.02
  6. Step 6: Final answer
    x = 327,321.79

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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.