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Finding the Fourth Proportional to 572,517.52, 857,468.26 and 273,208.28

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Solution

The fourth proportional to 572,517.52, 857,468.26 and 273,208.28 is: 409,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,517.52 : 857,468.26 = 273,208.28 : x
  2. Step 2: Convert to fraction form
    572,517.52/857,468.26 = 273,208.28/x
  3. Step 3: Cross multiply
    572,517.52x = 857,468.26 × 273,208.28
  4. Step 4: Simplify right side
    572,517.52x = 234,267,424,523.36
  5. Step 5: Solve for x
    x = 234,267,424,523.36/572,517.52
  6. Step 6: Final answer
    x = 409,188.22

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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.