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Finding the Fourth Proportional to 267.58, 368.98 and 174.25

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Solution

The fourth proportional to 267.58, 368.98 and 174.25 is: 240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.58 : 368.98 = 174.25 : x
  2. Step 2: Convert to fraction form
    267.58/368.98 = 174.25/x
  3. Step 3: Cross multiply
    267.58x = 368.98 × 174.25
  4. Step 4: Simplify right side
    267.58x = 64,294.77
  5. Step 5: Solve for x
    x = 64,294.77/267.58
  6. Step 6: Final answer
    x = 240.28

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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.