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Finding the Fourth Proportional to 574,219.80, 861,513.30 and 174,936.60

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Solution

The fourth proportional to 574,219.80, 861,513.30 and 174,936.60 is: 262,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,219.80 : 861,513.30 = 174,936.60 : x
  2. Step 2: Convert to fraction form
    574,219.80/861,513.30 = 174,936.60/x
  3. Step 3: Cross multiply
    574,219.80x = 861,513.30 × 174,936.60
  4. Step 4: Simplify right side
    574,219.80x = 150,710,207,556.78
  5. Step 5: Solve for x
    x = 150,710,207,556.78/574,219.80
  6. Step 6: Final answer
    x = 262,460.83

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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.