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Finding the Fourth Proportional to 1,650.92, 2,476.36 and 401.53

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Solution

The fourth proportional to 1,650.92, 2,476.36 and 401.53 is: 602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.92 : 2,476.36 = 401.53 : x
  2. Step 2: Convert to fraction form
    1,650.92/2,476.36 = 401.53/x
  3. Step 3: Cross multiply
    1,650.92x = 2,476.36 × 401.53
  4. Step 4: Simplify right side
    1,650.92x = 994,318.44
  5. Step 5: Solve for x
    x = 994,318.44/1,650.92
  6. Step 6: Final answer
    x = 602.28

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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.