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Finding the Fourth Proportional to 364.38, 546.75 and 210.44

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Solution

The fourth proportional to 364.38, 546.75 and 210.44 is: 315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.38 : 546.75 = 210.44 : x
  2. Step 2: Convert to fraction form
    364.38/546.75 = 210.44/x
  3. Step 3: Cross multiply
    364.38x = 546.75 × 210.44
  4. Step 4: Simplify right side
    364.38x = 115,059.44
  5. Step 5: Solve for x
    x = 115,059.44/364.38
  6. Step 6: Final answer
    x = 315.77

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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.