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Finding the Fourth Proportional to 334.82, 502.16 and 118.35

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Solution

The fourth proportional to 334.82, 502.16 and 118.35 is: 177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.82 : 502.16 = 118.35 : x
  2. Step 2: Convert to fraction form
    334.82/502.16 = 118.35/x
  3. Step 3: Cross multiply
    334.82x = 502.16 × 118.35
  4. Step 4: Simplify right side
    334.82x = 59,430.04
  5. Step 5: Solve for x
    x = 59,430.04/334.82
  6. Step 6: Final answer
    x = 177.50

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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.