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Finding the Fourth Proportional to 292.44, 437.87 and 272.69

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Solution

The fourth proportional to 292.44, 437.87 and 272.69 is: 408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.44 : 437.87 = 272.69 : x
  2. Step 2: Convert to fraction form
    292.44/437.87 = 272.69/x
  3. Step 3: Cross multiply
    292.44x = 437.87 × 272.69
  4. Step 4: Simplify right side
    292.44x = 119,402.77
  5. Step 5: Solve for x
    x = 119,402.77/292.44
  6. Step 6: Final answer
    x = 408.30

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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.