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Finding the Fourth Proportional to 1,169.51, 1,754.27 and 303.82

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Solution

The fourth proportional to 1,169.51, 1,754.27 and 303.82 is: 455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.51 : 1,754.27 = 303.82 : x
  2. Step 2: Convert to fraction form
    1,169.51/1,754.27 = 303.82/x
  3. Step 3: Cross multiply
    1,169.51x = 1,754.27 × 303.82
  4. Step 4: Simplify right side
    1,169.51x = 532,977.55
  5. Step 5: Solve for x
    x = 532,977.55/1,169.51
  6. Step 6: Final answer
    x = 455.73

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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.