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Finding the Fourth Proportional to 335.83, 503.12 and 196.68

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Solution

The fourth proportional to 335.83, 503.12 and 196.68 is: 294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.83 : 503.12 = 196.68 : x
  2. Step 2: Convert to fraction form
    335.83/503.12 = 196.68/x
  3. Step 3: Cross multiply
    335.83x = 503.12 × 196.68
  4. Step 4: Simplify right side
    335.83x = 98,953.64
  5. Step 5: Solve for x
    x = 98,953.64/335.83
  6. Step 6: Final answer
    x = 294.65

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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.