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Finding the Fourth Proportional to 1,063.96, 1,468.38 and 598.21

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Solution

The fourth proportional to 1,063.96, 1,468.38 and 598.21 is: 825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.96 : 1,468.38 = 598.21 : x
  2. Step 2: Convert to fraction form
    1,063.96/1,468.38 = 598.21/x
  3. Step 3: Cross multiply
    1,063.96x = 1,468.38 × 598.21
  4. Step 4: Simplify right side
    1,063.96x = 878,399.60
  5. Step 5: Solve for x
    x = 878,399.60/1,063.96
  6. Step 6: Final answer
    x = 825.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.