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Finding the Fourth Proportional to 1,690.13, 2,536.33 and 594.49

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Solution

The fourth proportional to 1,690.13, 2,536.33 and 594.49 is: 892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.13 : 2,536.33 = 594.49 : x
  2. Step 2: Convert to fraction form
    1,690.13/2,536.33 = 594.49/x
  3. Step 3: Cross multiply
    1,690.13x = 2,536.33 × 594.49
  4. Step 4: Simplify right side
    1,690.13x = 1,507,819.85
  5. Step 5: Solve for x
    x = 1,507,819.85/1,690.13
  6. Step 6: Final answer
    x = 892.13

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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.