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Finding the Fourth Proportional to 1,163.26, 1,744.89 and 616.51

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Solution

The fourth proportional to 1,163.26, 1,744.89 and 616.51 is: 924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.26 : 1,744.89 = 616.51 : x
  2. Step 2: Convert to fraction form
    1,163.26/1,744.89 = 616.51/x
  3. Step 3: Cross multiply
    1,163.26x = 1,744.89 × 616.51
  4. Step 4: Simplify right side
    1,163.26x = 1,075,742.13
  5. Step 5: Solve for x
    x = 1,075,742.13/1,163.26
  6. Step 6: Final answer
    x = 924.77

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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.