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Finding the Fourth Proportional to 471,753.06, 707,679.41 and 272,069.03

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Solution

The fourth proportional to 471,753.06, 707,679.41 and 272,069.03 is: 408,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,753.06 : 707,679.41 = 272,069.03 : x
  2. Step 2: Convert to fraction form
    471,753.06/707,679.41 = 272,069.03/x
  3. Step 3: Cross multiply
    471,753.06x = 707,679.41 × 272,069.03
  4. Step 4: Simplify right side
    471,753.06x = 192,537,645,730.93
  5. Step 5: Solve for x
    x = 192,537,645,730.93/471,753.06
  6. Step 6: Final answer
    x = 408,132.27

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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.