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Finding the Fourth Proportional to 292.90, 404 and 237.64

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Solution

The fourth proportional to 292.90, 404 and 237.64 is: 327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.90 : 404 = 237.64 : x
  2. Step 2: Convert to fraction form
    292.90/404 = 237.64/x
  3. Step 3: Cross multiply
    292.90x = 404 × 237.64
  4. Step 4: Simplify right side
    292.90x = 96,006.56
  5. Step 5: Solve for x
    x = 96,006.56/292.90
  6. Step 6: Final answer
    x = 327.78

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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.