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Finding the Fourth Proportional to 264.76, 364.62 and 240.28

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Solution

The fourth proportional to 264.76, 364.62 and 240.28 is: 330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.76 : 364.62 = 240.28 : x
  2. Step 2: Convert to fraction form
    264.76/364.62 = 240.28/x
  3. Step 3: Cross multiply
    264.76x = 364.62 × 240.28
  4. Step 4: Simplify right side
    264.76x = 87,610.89
  5. Step 5: Solve for x
    x = 87,610.89/264.76
  6. Step 6: Final answer
    x = 330.91

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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.