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Finding the Fourth Proportional to 1,165.94, 1,748.52 and 396.26

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Solution

The fourth proportional to 1,165.94, 1,748.52 and 396.26 is: 594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.94 : 1,748.52 = 396.26 : x
  2. Step 2: Convert to fraction form
    1,165.94/1,748.52 = 396.26/x
  3. Step 3: Cross multiply
    1,165.94x = 1,748.52 × 396.26
  4. Step 4: Simplify right side
    1,165.94x = 692,868.54
  5. Step 5: Solve for x
    x = 692,868.54/1,165.94
  6. Step 6: Final answer
    x = 594.26

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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.