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Finding the Fourth Proportional to 294.64, 441 and 262.64

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Solution

The fourth proportional to 294.64, 441 and 262.64 is: 393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.64 : 441 = 262.64 : x
  2. Step 2: Convert to fraction form
    294.64/441 = 262.64/x
  3. Step 3: Cross multiply
    294.64x = 441 × 262.64
  4. Step 4: Simplify right side
    294.64x = 115,824.24
  5. Step 5: Solve for x
    x = 115,824.24/294.64
  6. Step 6: Final answer
    x = 393.10

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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.