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Finding the Fourth Proportional to 349.31, 482.02 and 237.05

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Solution

The fourth proportional to 349.31, 482.02 and 237.05 is: 327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.31 : 482.02 = 237.05 : x
  2. Step 2: Convert to fraction form
    349.31/482.02 = 237.05/x
  3. Step 3: Cross multiply
    349.31x = 482.02 × 237.05
  4. Step 4: Simplify right side
    349.31x = 114,262.84
  5. Step 5: Solve for x
    x = 114,262.84/349.31
  6. Step 6: Final answer
    x = 327.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.