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Finding the Fourth Proportional to 273,425.60, 410,138.40 and 216,344.90

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Solution

The fourth proportional to 273,425.60, 410,138.40 and 216,344.90 is: 324,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,425.60 : 410,138.40 = 216,344.90 : x
  2. Step 2: Convert to fraction form
    273,425.60/410,138.40 = 216,344.90/x
  3. Step 3: Cross multiply
    273,425.60x = 410,138.40 × 216,344.90
  4. Step 4: Simplify right side
    273,425.60x = 88,731,351,134.16
  5. Step 5: Solve for x
    x = 88,731,351,134.16/273,425.60
  6. Step 6: Final answer
    x = 324,517.35

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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.