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Finding the Fourth Proportional to 292.53, 401.22 and 259.73

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Solution

The fourth proportional to 292.53, 401.22 and 259.73 is: 356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.53 : 401.22 = 259.73 : x
  2. Step 2: Convert to fraction form
    292.53/401.22 = 259.73/x
  3. Step 3: Cross multiply
    292.53x = 401.22 × 259.73
  4. Step 4: Simplify right side
    292.53x = 104,206.86
  5. Step 5: Solve for x
    x = 104,206.86/292.53
  6. Step 6: Final answer
    x = 356.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.