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Finding the Fourth Proportional to 506.67, 699.62 and 341.43

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Solution

The fourth proportional to 506.67, 699.62 and 341.43 is: 471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    506.67 : 699.62 = 341.43 : x
  2. Step 2: Convert to fraction form
    506.67/699.62 = 341.43/x
  3. Step 3: Cross multiply
    506.67x = 699.62 × 341.43
  4. Step 4: Simplify right side
    506.67x = 238,872.11
  5. Step 5: Solve for x
    x = 238,872.11/506.67
  6. Step 6: Final answer
    x = 471.46

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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.