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Finding the Fourth Proportional to 336.86, 465.01 and 226.13

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Solution

The fourth proportional to 336.86, 465.01 and 226.13 is: 312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.86 : 465.01 = 226.13 : x
  2. Step 2: Convert to fraction form
    336.86/465.01 = 226.13/x
  3. Step 3: Cross multiply
    336.86x = 465.01 × 226.13
  4. Step 4: Simplify right side
    336.86x = 105,149.82
  5. Step 5: Solve for x
    x = 105,149.82/336.86
  6. Step 6: Final answer
    x = 312.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.