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Finding the Fourth Proportional to 313.01, 469.18 and 235.73

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Solution

The fourth proportional to 313.01, 469.18 and 235.73 is: 353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.01 : 469.18 = 235.73 : x
  2. Step 2: Convert to fraction form
    313.01/469.18 = 235.73/x
  3. Step 3: Cross multiply
    313.01x = 469.18 × 235.73
  4. Step 4: Simplify right side
    313.01x = 110,597.30
  5. Step 5: Solve for x
    x = 110,597.30/313.01
  6. Step 6: Final answer
    x = 353.33

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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.