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Finding the Fourth Proportional to 364.62, 547.03 and 202.42

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Solution

The fourth proportional to 364.62, 547.03 and 202.42 is: 303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.62 : 547.03 = 202.42 : x
  2. Step 2: Convert to fraction form
    364.62/547.03 = 202.42/x
  3. Step 3: Cross multiply
    364.62x = 547.03 × 202.42
  4. Step 4: Simplify right side
    364.62x = 110,728.70
  5. Step 5: Solve for x
    x = 110,728.70/364.62
  6. Step 6: Final answer
    x = 303.68

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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.