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Finding the Fourth Proportional to 264.52, 365.70 and 253.12

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Solution

The fourth proportional to 264.52, 365.70 and 253.12 is: 349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.52 : 365.70 = 253.12 : x
  2. Step 2: Convert to fraction form
    264.52/365.70 = 253.12/x
  3. Step 3: Cross multiply
    264.52x = 365.70 × 253.12
  4. Step 4: Simplify right side
    264.52x = 92,565.98
  5. Step 5: Solve for x
    x = 92,565.98/264.52
  6. Step 6: Final answer
    x = 349.94

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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.