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Finding the Fourth Proportional to 336.78, 463.67 and 262.00

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Solution

The fourth proportional to 336.78, 463.67 and 262.00 is: 360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.78 : 463.67 = 262.00 : x
  2. Step 2: Convert to fraction form
    336.78/463.67 = 262.00/x
  3. Step 3: Cross multiply
    336.78x = 463.67 × 262.00
  4. Step 4: Simplify right side
    336.78x = 121,484.24
  5. Step 5: Solve for x
    x = 121,484.24/336.78
  6. Step 6: Final answer
    x = 360.72

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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.