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Finding the Fourth Proportional to 540,244.08, 809,719.20 and 251,667

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Solution

The fourth proportional to 540,244.08, 809,719.20 and 251,667 is: 377,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,244.08 : 809,719.20 = 251,667 : x
  2. Step 2: Convert to fraction form
    540,244.08/809,719.20 = 251,667/x
  3. Step 3: Cross multiply
    540,244.08x = 809,719.20 × 251,667
  4. Step 4: Simplify right side
    540,244.08x = 203,779,601,906.40
  5. Step 5: Solve for x
    x = 203,779,601,906.40/540,244.08
  6. Step 6: Final answer
    x = 377,199.14

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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.