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Finding the Fourth Proportional to 334.64, 501.96 and 118.23

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Solution

The fourth proportional to 334.64, 501.96 and 118.23 is: 177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.64 : 501.96 = 118.23 : x
  2. Step 2: Convert to fraction form
    334.64/501.96 = 118.23/x
  3. Step 3: Cross multiply
    334.64x = 501.96 × 118.23
  4. Step 4: Simplify right side
    334.64x = 59,346.73
  5. Step 5: Solve for x
    x = 59,346.73/334.64
  6. Step 6: Final answer
    x = 177.35

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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.