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Finding the Fourth Proportional to 267,318.72, 401,052 and 237,941.76

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Solution

The fourth proportional to 267,318.72, 401,052 and 237,941.76 is: 356,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,318.72 : 401,052 = 237,941.76 : x
  2. Step 2: Convert to fraction form
    267,318.72/401,052 = 237,941.76/x
  3. Step 3: Cross multiply
    267,318.72x = 401,052 × 237,941.76
  4. Step 4: Simplify right side
    267,318.72x = 95,427,018,731.52
  5. Step 5: Solve for x
    x = 95,427,018,731.52/267,318.72
  6. Step 6: Final answer
    x = 356,978.44

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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.