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Finding the Fourth Proportional to 1,636.30, 2,455.10 and 596.38

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Solution

The fourth proportional to 1,636.30, 2,455.10 and 596.38 is: 894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.30 : 2,455.10 = 596.38 : x
  2. Step 2: Convert to fraction form
    1,636.30/2,455.10 = 596.38/x
  3. Step 3: Cross multiply
    1,636.30x = 2,455.10 × 596.38
  4. Step 4: Simplify right side
    1,636.30x = 1,464,160.26
  5. Step 5: Solve for x
    x = 1,464,160.26/1,636.30
  6. Step 6: Final answer
    x = 894.80

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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.