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Finding the Fourth Proportional to 267.50, 368.07 and 201.74

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Solution

The fourth proportional to 267.50, 368.07 and 201.74 is: 277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.50 : 368.07 = 201.74 : x
  2. Step 2: Convert to fraction form
    267.50/368.07 = 201.74/x
  3. Step 3: Cross multiply
    267.50x = 368.07 × 201.74
  4. Step 4: Simplify right side
    267.50x = 74,254.44
  5. Step 5: Solve for x
    x = 74,254.44/267.50
  6. Step 6: Final answer
    x = 277.59

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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.