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Finding the Fourth Proportional to 335.04, 502.43 and 115.60

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Solution

The fourth proportional to 335.04, 502.43 and 115.60 is: 173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.04 : 502.43 = 115.60 : x
  2. Step 2: Convert to fraction form
    335.04/502.43 = 115.60/x
  3. Step 3: Cross multiply
    335.04x = 502.43 × 115.60
  4. Step 4: Simplify right side
    335.04x = 58,082.80
  5. Step 5: Solve for x
    x = 58,082.80/335.04
  6. Step 6: Final answer
    x = 173.36

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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.