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Finding the Fourth Proportional to 335.31, 503.39 and 243.01

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Solution

The fourth proportional to 335.31, 503.39 and 243.01 is: 364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.31 : 503.39 = 243.01 : x
  2. Step 2: Convert to fraction form
    335.31/503.39 = 243.01/x
  3. Step 3: Cross multiply
    335.31x = 503.39 × 243.01
  4. Step 4: Simplify right side
    335.31x = 122,328.80
  5. Step 5: Solve for x
    x = 122,328.80/335.31
  6. Step 6: Final answer
    x = 364.82

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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.