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Finding the Fourth Proportional to 264.17, 364.52 and 153.63

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Solution

The fourth proportional to 264.17, 364.52 and 153.63 is: 211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.17 : 364.52 = 153.63 : x
  2. Step 2: Convert to fraction form
    264.17/364.52 = 153.63/x
  3. Step 3: Cross multiply
    264.17x = 364.52 × 153.63
  4. Step 4: Simplify right side
    264.17x = 56,000.44
  5. Step 5: Solve for x
    x = 56,000.44/264.17
  6. Step 6: Final answer
    x = 211.99

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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.