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Finding the Fourth Proportional to 294.79, 442.59 and 150.61

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Solution

The fourth proportional to 294.79, 442.59 and 150.61 is: 226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.79 : 442.59 = 150.61 : x
  2. Step 2: Convert to fraction form
    294.79/442.59 = 150.61/x
  3. Step 3: Cross multiply
    294.79x = 442.59 × 150.61
  4. Step 4: Simplify right side
    294.79x = 66,658.48
  5. Step 5: Solve for x
    x = 66,658.48/294.79
  6. Step 6: Final answer
    x = 226.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.