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Finding the Fourth Proportional to 573,211.62, 791,014.87 and 328,188.24

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Solution

The fourth proportional to 573,211.62, 791,014.87 and 328,188.24 is: 452,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,211.62 : 791,014.87 = 328,188.24 : x
  2. Step 2: Convert to fraction form
    573,211.62/791,014.87 = 328,188.24/x
  3. Step 3: Cross multiply
    573,211.62x = 791,014.87 × 328,188.24
  4. Step 4: Simplify right side
    573,211.62x = 259,601,777,999.13
  5. Step 5: Solve for x
    x = 259,601,777,999.13/573,211.62
  6. Step 6: Final answer
    x = 452,889.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.