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Finding the Fourth Proportional to 454,051.60, 680,040.60 and 267,427.60

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Solution

The fourth proportional to 454,051.60, 680,040.60 and 267,427.60 is: 400,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,051.60 : 680,040.60 = 267,427.60 : x
  2. Step 2: Convert to fraction form
    454,051.60/680,040.60 = 267,427.60/x
  3. Step 3: Cross multiply
    454,051.60x = 680,040.60 × 267,427.60
  4. Step 4: Simplify right side
    454,051.60x = 181,861,625,560.56
  5. Step 5: Solve for x
    x = 181,861,625,560.56/454,051.60
  6. Step 6: Final answer
    x = 400,530.74

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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.