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Finding the Fourth Proportional to 336.04, 463.76 and 225.56

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Solution

The fourth proportional to 336.04, 463.76 and 225.56 is: 311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.04 : 463.76 = 225.56 : x
  2. Step 2: Convert to fraction form
    336.04/463.76 = 225.56/x
  3. Step 3: Cross multiply
    336.04x = 463.76 × 225.56
  4. Step 4: Simplify right side
    336.04x = 104,605.71
  5. Step 5: Solve for x
    x = 104,605.71/336.04
  6. Step 6: Final answer
    x = 311.29

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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.