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Finding the Fourth Proportional to 292.34, 403.43 and 174.39

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Solution

The fourth proportional to 292.34, 403.43 and 174.39 is: 240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.34 : 403.43 = 174.39 : x
  2. Step 2: Convert to fraction form
    292.34/403.43 = 174.39/x
  3. Step 3: Cross multiply
    292.34x = 403.43 × 174.39
  4. Step 4: Simplify right side
    292.34x = 70,353.90
  5. Step 5: Solve for x
    x = 70,353.90/292.34
  6. Step 6: Final answer
    x = 240.66

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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.