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Finding the Fourth Proportional to 267,601.81, 368,933.24 and 212,593.64

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Solution

The fourth proportional to 267,601.81, 368,933.24 and 212,593.64 is: 293,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,601.81 : 368,933.24 = 212,593.64 : x
  2. Step 2: Convert to fraction form
    267,601.81/368,933.24 = 212,593.64/x
  3. Step 3: Cross multiply
    267,601.81x = 368,933.24 × 212,593.64
  4. Step 4: Simplify right side
    267,601.81x = 78,432,860,408.59
  5. Step 5: Solve for x
    x = 78,432,860,408.59/267,601.81
  6. Step 6: Final answer
    x = 293,095.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.