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Finding the Fourth Proportional to 292.76, 403.48 and 273.24

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Solution

The fourth proportional to 292.76, 403.48 and 273.24 is: 376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.76 : 403.48 = 273.24 : x
  2. Step 2: Convert to fraction form
    292.76/403.48 = 273.24/x
  3. Step 3: Cross multiply
    292.76x = 403.48 × 273.24
  4. Step 4: Simplify right side
    292.76x = 110,246.88
  5. Step 5: Solve for x
    x = 110,246.88/292.76
  6. Step 6: Final answer
    x = 376.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.