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Finding the Fourth Proportional to 264.46, 364.98 and 153.94

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Solution

The fourth proportional to 264.46, 364.98 and 153.94 is: 212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.46 : 364.98 = 153.94 : x
  2. Step 2: Convert to fraction form
    264.46/364.98 = 153.94/x
  3. Step 3: Cross multiply
    264.46x = 364.98 × 153.94
  4. Step 4: Simplify right side
    264.46x = 56,185.02
  5. Step 5: Solve for x
    x = 56,185.02/264.46
  6. Step 6: Final answer
    x = 212.45

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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.