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Finding the Fourth Proportional to 264.46, 395.82 and 239.86

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Solution

The fourth proportional to 264.46, 395.82 and 239.86 is: 359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.46 : 395.82 = 239.86 : x
  2. Step 2: Convert to fraction form
    264.46/395.82 = 239.86/x
  3. Step 3: Cross multiply
    264.46x = 395.82 × 239.86
  4. Step 4: Simplify right side
    264.46x = 94,941.39
  5. Step 5: Solve for x
    x = 94,941.39/264.46
  6. Step 6: Final answer
    x = 359.00

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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.