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Finding the Fourth Proportional to 1,144.94, 1,716.08 and 588.08

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Solution

The fourth proportional to 1,144.94, 1,716.08 and 588.08 is: 881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.94 : 1,716.08 = 588.08 : x
  2. Step 2: Convert to fraction form
    1,144.94/1,716.08 = 588.08/x
  3. Step 3: Cross multiply
    1,144.94x = 1,716.08 × 588.08
  4. Step 4: Simplify right side
    1,144.94x = 1,009,185.22
  5. Step 5: Solve for x
    x = 1,009,185.22/1,144.94
  6. Step 6: Final answer
    x = 881.43

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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.