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Finding the Fourth Proportional to 336.04, 463.78 and 248.96

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Solution

The fourth proportional to 336.04, 463.78 and 248.96 is: 343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.04 : 463.78 = 248.96 : x
  2. Step 2: Convert to fraction form
    336.04/463.78 = 248.96/x
  3. Step 3: Cross multiply
    336.04x = 463.78 × 248.96
  4. Step 4: Simplify right side
    336.04x = 115,462.67
  5. Step 5: Solve for x
    x = 115,462.67/336.04
  6. Step 6: Final answer
    x = 343.60

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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.