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Finding the Fourth Proportional to 267.48, 368.58 and 250.74

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Solution

The fourth proportional to 267.48, 368.58 and 250.74 is: 345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.48 : 368.58 = 250.74 : x
  2. Step 2: Convert to fraction form
    267.48/368.58 = 250.74/x
  3. Step 3: Cross multiply
    267.48x = 368.58 × 250.74
  4. Step 4: Simplify right side
    267.48x = 92,417.75
  5. Step 5: Solve for x
    x = 92,417.75/267.48
  6. Step 6: Final answer
    x = 345.51

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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.