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Finding the Fourth Proportional to 573,997.06, 861,120.16 and 174,627.46

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Solution

The fourth proportional to 573,997.06, 861,120.16 and 174,627.46 is: 261,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,997.06 : 861,120.16 = 174,627.46 : x
  2. Step 2: Convert to fraction form
    573,997.06/861,120.16 = 174,627.46/x
  3. Step 3: Cross multiply
    573,997.06x = 861,120.16 × 174,627.46
  4. Step 4: Simplify right side
    573,997.06x = 150,375,223,179.79
  5. Step 5: Solve for x
    x = 150,375,223,179.79/573,997.06
  6. Step 6: Final answer
    x = 261,979.08

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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.