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Finding the Fourth Proportional to 335.04, 502.55 and 118.59

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Solution

The fourth proportional to 335.04, 502.55 and 118.59 is: 177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.04 : 502.55 = 118.59 : x
  2. Step 2: Convert to fraction form
    335.04/502.55 = 118.59/x
  3. Step 3: Cross multiply
    335.04x = 502.55 × 118.59
  4. Step 4: Simplify right side
    335.04x = 59,596.81
  5. Step 5: Solve for x
    x = 59,596.81/335.04
  6. Step 6: Final answer
    x = 177.88

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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.