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Finding the Fourth Proportional to 364.74, 546.93 and 133.62

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Solution

The fourth proportional to 364.74, 546.93 and 133.62 is: 200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.74 : 546.93 = 133.62 : x
  2. Step 2: Convert to fraction form
    364.74/546.93 = 133.62/x
  3. Step 3: Cross multiply
    364.74x = 546.93 × 133.62
  4. Step 4: Simplify right side
    364.74x = 73,080.79
  5. Step 5: Solve for x
    x = 73,080.79/364.74
  6. Step 6: Final answer
    x = 200.36

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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.