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Finding the Fourth Proportional to 1,634.91, 2,452.35 and 402.33

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Solution

The fourth proportional to 1,634.91, 2,452.35 and 402.33 is: 603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.91 : 2,452.35 = 402.33 : x
  2. Step 2: Convert to fraction form
    1,634.91/2,452.35 = 402.33/x
  3. Step 3: Cross multiply
    1,634.91x = 2,452.35 × 402.33
  4. Step 4: Simplify right side
    1,634.91x = 986,653.98
  5. Step 5: Solve for x
    x = 986,653.98/1,634.91
  6. Step 6: Final answer
    x = 603.49

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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.