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Finding the Fourth Proportional to 574,003.95, 861,130.47 and 174,634.34

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Solution

The fourth proportional to 574,003.95, 861,130.47 and 174,634.34 is: 261,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,003.95 : 861,130.47 = 174,634.34 : x
  2. Step 2: Convert to fraction form
    574,003.95/861,130.47 = 174,634.34/x
  3. Step 3: Cross multiply
    574,003.95x = 861,130.47 × 174,634.34
  4. Step 4: Simplify right side
    574,003.95x = 150,382,946,976.69
  5. Step 5: Solve for x
    x = 150,382,946,976.69/574,003.95
  6. Step 6: Final answer
    x = 261,989.39

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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.