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Finding the Fourth Proportional to 1,166.04, 1,748.52 and 618.48

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Solution

The fourth proportional to 1,166.04, 1,748.52 and 618.48 is: 927.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.04 : 1,748.52 = 618.48 : x
  2. Step 2: Convert to fraction form
    1,166.04/1,748.52 = 618.48/x
  3. Step 3: Cross multiply
    1,166.04x = 1,748.52 × 618.48
  4. Step 4: Simplify right side
    1,166.04x = 1,081,424.65
  5. Step 5: Solve for x
    x = 1,081,424.65/1,166.04
  6. Step 6: Final answer
    x = 927.43

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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.