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Finding the Fourth Proportional to 364.93, 547.30 and 133.84

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Solution

The fourth proportional to 364.93, 547.30 and 133.84 is: 200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.93 : 547.30 = 133.84 : x
  2. Step 2: Convert to fraction form
    364.93/547.30 = 133.84/x
  3. Step 3: Cross multiply
    364.93x = 547.30 × 133.84
  4. Step 4: Simplify right side
    364.93x = 73,248.93
  5. Step 5: Solve for x
    x = 73,248.93/364.93
  6. Step 6: Final answer
    x = 200.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.