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Finding the Fourth Proportional to 292, 402.14 and 252.32

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Solution

The fourth proportional to 292, 402.14 and 252.32 is: 347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    292 : 402.14 = 252.32 : x
  2. Step 2: Convert to fraction form
    292/402.14 = 252.32/x
  3. Step 3: Cross multiply
    292x = 402.14 × 252.32
  4. Step 4: Simplify right side
    292x = 101,467.96
  5. Step 5: Solve for x
    x = 101,467.96/292
  6. Step 6: Final answer
    x = 347.49

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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.