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Finding the Fourth Proportional to 335.93, 503.89 and 92.45

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Solution

The fourth proportional to 335.93, 503.89 and 92.45 is: 138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.93 : 503.89 = 92.45 : x
  2. Step 2: Convert to fraction form
    335.93/503.89 = 92.45/x
  3. Step 3: Cross multiply
    335.93x = 503.89 × 92.45
  4. Step 4: Simplify right side
    335.93x = 46,585.66
  5. Step 5: Solve for x
    x = 46,585.66/335.93
  6. Step 6: Final answer
    x = 138.68

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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.