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Finding the Fourth Proportional to 363,352.20, 501,419.27 and 202,205.74

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Solution

The fourth proportional to 363,352.20, 501,419.27 and 202,205.74 is: 279,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,352.20 : 501,419.27 = 202,205.74 : x
  2. Step 2: Convert to fraction form
    363,352.20/501,419.27 = 202,205.74/x
  3. Step 3: Cross multiply
    363,352.20x = 501,419.27 × 202,205.74
  4. Step 4: Simplify right side
    363,352.20x = 101,389,853,792.58
  5. Step 5: Solve for x
    x = 101,389,853,792.58/363,352.20
  6. Step 6: Final answer
    x = 279,040.15

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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.