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Finding the Fourth Proportional to 366,008.72, 505,091.90 and 204,863.74

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Solution

The fourth proportional to 366,008.72, 505,091.90 and 204,863.74 is: 282,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,008.72 : 505,091.90 = 204,863.74 : x
  2. Step 2: Convert to fraction form
    366,008.72/505,091.90 = 204,863.74/x
  3. Step 3: Cross multiply
    366,008.72x = 505,091.90 × 204,863.74
  4. Step 4: Simplify right side
    366,008.72x = 103,475,015,677.71
  5. Step 5: Solve for x
    x = 103,475,015,677.71/366,008.72
  6. Step 6: Final answer
    x = 282,711.89

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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.