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Finding the Fourth Proportional to 294.66, 442.20 and 237.57

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Solution

The fourth proportional to 294.66, 442.20 and 237.57 is: 356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.66 : 442.20 = 237.57 : x
  2. Step 2: Convert to fraction form
    294.66/442.20 = 237.57/x
  3. Step 3: Cross multiply
    294.66x = 442.20 × 237.57
  4. Step 4: Simplify right side
    294.66x = 105,052.56
  5. Step 5: Solve for x
    x = 105,052.56/294.66
  6. Step 6: Final answer
    x = 356.53

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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.