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Finding the Fourth Proportional to 264.52, 364.98 and 153.95

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Solution

The fourth proportional to 264.52, 364.98 and 153.95 is: 212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.52 : 364.98 = 153.95 : x
  2. Step 2: Convert to fraction form
    264.52/364.98 = 153.95/x
  3. Step 3: Cross multiply
    264.52x = 364.98 × 153.95
  4. Step 4: Simplify right side
    264.52x = 56,188.67
  5. Step 5: Solve for x
    x = 56,188.67/264.52
  6. Step 6: Final answer
    x = 212.42

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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.