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Finding the Fourth Proportional to 364.43, 546.44 and 249

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Solution

The fourth proportional to 364.43, 546.44 and 249 is: 373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.43 : 546.44 = 249 : x
  2. Step 2: Convert to fraction form
    364.43/546.44 = 249/x
  3. Step 3: Cross multiply
    364.43x = 546.44 × 249
  4. Step 4: Simplify right side
    364.43x = 136,062.78
  5. Step 5: Solve for x
    x = 136,062.78/364.43
  6. Step 6: Final answer
    x = 373.36

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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.