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Finding the Fourth Proportional to 334.58, 502.10 and 118.16

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Solution

The fourth proportional to 334.58, 502.10 and 118.16 is: 177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.58 : 502.10 = 118.16 : x
  2. Step 2: Convert to fraction form
    334.58/502.10 = 118.16/x
  3. Step 3: Cross multiply
    334.58x = 502.10 × 118.16
  4. Step 4: Simplify right side
    334.58x = 59,327.55
  5. Step 5: Solve for x
    x = 59,327.55/334.58
  6. Step 6: Final answer
    x = 177.32

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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.