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Finding the Fourth Proportional to 267.51, 369.20 and 174.36

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Solution

The fourth proportional to 267.51, 369.20 and 174.36 is: 240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.51 : 369.20 = 174.36 : x
  2. Step 2: Convert to fraction form
    267.51/369.20 = 174.36/x
  3. Step 3: Cross multiply
    267.51x = 369.20 × 174.36
  4. Step 4: Simplify right side
    267.51x = 64,373.71
  5. Step 5: Solve for x
    x = 64,373.71/267.51
  6. Step 6: Final answer
    x = 240.64

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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.