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Finding the Fourth Proportional to 573,583.96, 859,600.92 and 218,404.22

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Solution

The fourth proportional to 573,583.96, 859,600.92 and 218,404.22 is: 327,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,583.96 : 859,600.92 = 218,404.22 : x
  2. Step 2: Convert to fraction form
    573,583.96/859,600.92 = 218,404.22/x
  3. Step 3: Cross multiply
    573,583.96x = 859,600.92 × 218,404.22
  4. Step 4: Simplify right side
    573,583.96x = 187,740,468,479.12
  5. Step 5: Solve for x
    x = 187,740,468,479.12/573,583.96
  6. Step 6: Final answer
    x = 327,311.23

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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.