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Finding the Fourth Proportional to 369,879.81, 510,431.99 and 200,110.29

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Solution

The fourth proportional to 369,879.81, 510,431.99 and 200,110.29 is: 276,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,879.81 : 510,431.99 = 200,110.29 : x
  2. Step 2: Convert to fraction form
    369,879.81/510,431.99 = 200,110.29/x
  3. Step 3: Cross multiply
    369,879.81x = 510,431.99 × 200,110.29
  4. Step 4: Simplify right side
    369,879.81x = 102,142,693,544.18
  5. Step 5: Solve for x
    x = 102,142,693,544.18/369,879.81
  6. Step 6: Final answer
    x = 276,151.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.