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Finding the Fourth Proportional to 264.48, 366.64 and 260.48

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Solution

The fourth proportional to 264.48, 366.64 and 260.48 is: 361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.48 : 366.64 = 260.48 : x
  2. Step 2: Convert to fraction form
    264.48/366.64 = 260.48/x
  3. Step 3: Cross multiply
    264.48x = 366.64 × 260.48
  4. Step 4: Simplify right side
    264.48x = 95,502.39
  5. Step 5: Solve for x
    x = 95,502.39/264.48
  6. Step 6: Final answer
    x = 361.09

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.