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Finding the Fourth Proportional to 294.94, 442.46 and 141.04

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Solution

The fourth proportional to 294.94, 442.46 and 141.04 is: 211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.94 : 442.46 = 141.04 : x
  2. Step 2: Convert to fraction form
    294.94/442.46 = 141.04/x
  3. Step 3: Cross multiply
    294.94x = 442.46 × 141.04
  4. Step 4: Simplify right side
    294.94x = 62,404.56
  5. Step 5: Solve for x
    x = 62,404.56/294.94
  6. Step 6: Final answer
    x = 211.58

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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.