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Finding the Fourth Proportional to 366,125.86, 505,239.64 and 200,551.20

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Solution

The fourth proportional to 366,125.86, 505,239.64 and 200,551.20 is: 276,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,125.86 : 505,239.64 = 200,551.20 : x
  2. Step 2: Convert to fraction form
    366,125.86/505,239.64 = 200,551.20/x
  3. Step 3: Cross multiply
    366,125.86x = 505,239.64 × 200,551.20
  4. Step 4: Simplify right side
    366,125.86x = 101,326,416,089.57
  5. Step 5: Solve for x
    x = 101,326,416,089.57/366,125.86
  6. Step 6: Final answer
    x = 276,752.96

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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.