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Finding the Fourth Proportional to 363,239.74, 501,258.22 and 199,880.98

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Solution

The fourth proportional to 363,239.74, 501,258.22 and 199,880.98 is: 275,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,239.74 : 501,258.22 = 199,880.98 : x
  2. Step 2: Convert to fraction form
    363,239.74/501,258.22 = 199,880.98/x
  3. Step 3: Cross multiply
    363,239.74x = 501,258.22 × 199,880.98
  4. Step 4: Simplify right side
    363,239.74x = 100,191,984,246.66
  5. Step 5: Solve for x
    x = 100,191,984,246.66/363,239.74
  6. Step 6: Final answer
    x = 275,828.81

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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.