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Finding the Fourth Proportional to 1,329.17, 1,993.73 and 598.23

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Solution

The fourth proportional to 1,329.17, 1,993.73 and 598.23 is: 897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329.17 : 1,993.73 = 598.23 : x
  2. Step 2: Convert to fraction form
    1,329.17/1,993.73 = 598.23/x
  3. Step 3: Cross multiply
    1,329.17x = 1,993.73 × 598.23
  4. Step 4: Simplify right side
    1,329.17x = 1,192,709.10
  5. Step 5: Solve for x
    x = 1,192,709.10/1,329.17
  6. Step 6: Final answer
    x = 897.33

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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.