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Finding the Fourth Proportional to 232.40, 347.14 and 232.40

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Solution

The fourth proportional to 232.40, 347.14 and 232.40 is: 347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.40 : 347.14 = 232.40 : x
  2. Step 2: Convert to fraction form
    232.40/347.14 = 232.40/x
  3. Step 3: Cross multiply
    232.40x = 347.14 × 232.40
  4. Step 4: Simplify right side
    232.40x = 80,675.34
  5. Step 5: Solve for x
    x = 80,675.34/232.40
  6. Step 6: Final answer
    x = 347.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.