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Finding the Fourth Proportional to 604,035.56, 905,236.80 and 267,018.86

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Solution

The fourth proportional to 604,035.56, 905,236.80 and 267,018.86 is: 400,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,035.56 : 905,236.80 = 267,018.86 : x
  2. Step 2: Convert to fraction form
    604,035.56/905,236.80 = 267,018.86/x
  3. Step 3: Cross multiply
    604,035.56x = 905,236.80 × 267,018.86
  4. Step 4: Simplify right side
    604,035.56x = 241,715,298,366.05
  5. Step 5: Solve for x
    x = 241,715,298,366.05/604,035.56
  6. Step 6: Final answer
    x = 400,167.33

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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.