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Finding the Fourth Proportional to 294.93, 442.27 and 148.59

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Solution

The fourth proportional to 294.93, 442.27 and 148.59 is: 222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.93 : 442.27 = 148.59 : x
  2. Step 2: Convert to fraction form
    294.93/442.27 = 148.59/x
  3. Step 3: Cross multiply
    294.93x = 442.27 × 148.59
  4. Step 4: Simplify right side
    294.93x = 65,716.90
  5. Step 5: Solve for x
    x = 65,716.90/294.93
  6. Step 6: Final answer
    x = 222.82

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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.