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Finding the Fourth Proportional to 276,374.22, 414,537.45 and 168,275.52

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Solution

The fourth proportional to 276,374.22, 414,537.45 and 168,275.52 is: 252,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,374.22 : 414,537.45 = 168,275.52 : x
  2. Step 2: Convert to fraction form
    276,374.22/414,537.45 = 168,275.52/x
  3. Step 3: Cross multiply
    276,374.22x = 414,537.45 × 168,275.52
  4. Step 4: Simplify right side
    276,374.22x = 69,756,504,958.22
  5. Step 5: Solve for x
    x = 69,756,504,958.22/276,374.22
  6. Step 6: Final answer
    x = 252,398.74

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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.