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Finding the Fourth Proportional to 292.62, 438.51 and 182.79

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Solution

The fourth proportional to 292.62, 438.51 and 182.79 is: 273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.62 : 438.51 = 182.79 : x
  2. Step 2: Convert to fraction form
    292.62/438.51 = 182.79/x
  3. Step 3: Cross multiply
    292.62x = 438.51 × 182.79
  4. Step 4: Simplify right side
    292.62x = 80,155.24
  5. Step 5: Solve for x
    x = 80,155.24/292.62
  6. Step 6: Final answer
    x = 273.92

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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.