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Finding the Fourth Proportional to 1,767.44, 2,651.30 and 468.88

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Solution

The fourth proportional to 1,767.44, 2,651.30 and 468.88 is: 703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.44 : 2,651.30 = 468.88 : x
  2. Step 2: Convert to fraction form
    1,767.44/2,651.30 = 468.88/x
  3. Step 3: Cross multiply
    1,767.44x = 2,651.30 × 468.88
  4. Step 4: Simplify right side
    1,767.44x = 1,243,141.54
  5. Step 5: Solve for x
    x = 1,243,141.54/1,767.44
  6. Step 6: Final answer
    x = 703.36

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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.