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Finding the Fourth Proportional to 591,906.20, 887,924.10 and 573,243.80

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Solution

The fourth proportional to 591,906.20, 887,924.10 and 573,243.80 is: 859,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,906.20 : 887,924.10 = 573,243.80 : x
  2. Step 2: Convert to fraction form
    591,906.20/887,924.10 = 573,243.80/x
  3. Step 3: Cross multiply
    591,906.20x = 887,924.10 × 573,243.80
  4. Step 4: Simplify right side
    591,906.20x = 508,996,985,195.58
  5. Step 5: Solve for x
    x = 508,996,985,195.58/591,906.20
  6. Step 6: Final answer
    x = 859,928.46

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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.