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Finding the Fourth Proportional to 1,636.39, 2,454.17 and 596.21

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Solution

The fourth proportional to 1,636.39, 2,454.17 and 596.21 is: 894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.39 : 2,454.17 = 596.21 : x
  2. Step 2: Convert to fraction form
    1,636.39/2,454.17 = 596.21/x
  3. Step 3: Cross multiply
    1,636.39x = 2,454.17 × 596.21
  4. Step 4: Simplify right side
    1,636.39x = 1,463,197.71
  5. Step 5: Solve for x
    x = 1,463,197.71/1,636.39
  6. Step 6: Final answer
    x = 894.16

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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.