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Finding the Fourth Proportional to 346.04, 477.12 and 237.97

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Solution

The fourth proportional to 346.04, 477.12 and 237.97 is: 328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.04 : 477.12 = 237.97 : x
  2. Step 2: Convert to fraction form
    346.04/477.12 = 237.97/x
  3. Step 3: Cross multiply
    346.04x = 477.12 × 237.97
  4. Step 4: Simplify right side
    346.04x = 113,540.25
  5. Step 5: Solve for x
    x = 113,540.25/346.04
  6. Step 6: Final answer
    x = 328.11

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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.