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Finding the Fourth Proportional to 296.62, 442.83 and 250.66

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Solution

The fourth proportional to 296.62, 442.83 and 250.66 is: 374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.62 : 442.83 = 250.66 : x
  2. Step 2: Convert to fraction form
    296.62/442.83 = 250.66/x
  3. Step 3: Cross multiply
    296.62x = 442.83 × 250.66
  4. Step 4: Simplify right side
    296.62x = 110,999.77
  5. Step 5: Solve for x
    x = 110,999.77/296.62
  6. Step 6: Final answer
    x = 374.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.