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Finding the Fourth Proportional to 292.42, 403.77 and 234.46

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Solution

The fourth proportional to 292.42, 403.77 and 234.46 is: 323.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.42 : 403.77 = 234.46 : x
  2. Step 2: Convert to fraction form
    292.42/403.77 = 234.46/x
  3. Step 3: Cross multiply
    292.42x = 403.77 × 234.46
  4. Step 4: Simplify right side
    292.42x = 94,667.91
  5. Step 5: Solve for x
    x = 94,667.91/292.42
  6. Step 6: Final answer
    x = 323.74

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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.