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Finding the Fourth Proportional to 334.93, 502.45 and 115.58

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Solution

The fourth proportional to 334.93, 502.45 and 115.58 is: 173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.93 : 502.45 = 115.58 : x
  2. Step 2: Convert to fraction form
    334.93/502.45 = 115.58/x
  3. Step 3: Cross multiply
    334.93x = 502.45 × 115.58
  4. Step 4: Simplify right side
    334.93x = 58,073.17
  5. Step 5: Solve for x
    x = 58,073.17/334.93
  6. Step 6: Final answer
    x = 173.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.