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Finding the Fourth Proportional to 364.68, 547.04 and 133.48

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Solution

The fourth proportional to 364.68, 547.04 and 133.48 is: 200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.68 : 547.04 = 133.48 : x
  2. Step 2: Convert to fraction form
    364.68/547.04 = 133.48/x
  3. Step 3: Cross multiply
    364.68x = 547.04 × 133.48
  4. Step 4: Simplify right side
    364.68x = 73,018.90
  5. Step 5: Solve for x
    x = 73,018.90/364.68
  6. Step 6: Final answer
    x = 200.23

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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.