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Finding the Fourth Proportional to 264.07, 363.59 and 239.77

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Solution

The fourth proportional to 264.07, 363.59 and 239.77 is: 330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.07 : 363.59 = 239.77 : x
  2. Step 2: Convert to fraction form
    264.07/363.59 = 239.77/x
  3. Step 3: Cross multiply
    264.07x = 363.59 × 239.77
  4. Step 4: Simplify right side
    264.07x = 87,175.87
  5. Step 5: Solve for x
    x = 87,175.87/264.07
  6. Step 6: Final answer
    x = 330.13

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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.