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Finding the Fourth Proportional to 335.48, 503.21 and 118.94

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Solution

The fourth proportional to 335.48, 503.21 and 118.94 is: 178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.48 : 503.21 = 118.94 : x
  2. Step 2: Convert to fraction form
    335.48/503.21 = 118.94/x
  3. Step 3: Cross multiply
    335.48x = 503.21 × 118.94
  4. Step 4: Simplify right side
    335.48x = 59,849.58
  5. Step 5: Solve for x
    x = 59,849.58/335.48
  6. Step 6: Final answer
    x = 178.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.