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Finding the Fourth Proportional to 267.22, 370.46 and 253.34

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Solution

The fourth proportional to 267.22, 370.46 and 253.34 is: 351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.22 : 370.46 = 253.34 : x
  2. Step 2: Convert to fraction form
    267.22/370.46 = 253.34/x
  3. Step 3: Cross multiply
    267.22x = 370.46 × 253.34
  4. Step 4: Simplify right side
    267.22x = 93,852.34
  5. Step 5: Solve for x
    x = 93,852.34/267.22
  6. Step 6: Final answer
    x = 351.22

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.