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Finding the Fourth Proportional to 363,137.72, 501,160.32 and 202,023.12

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Solution

The fourth proportional to 363,137.72, 501,160.32 and 202,023.12 is: 278,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,137.72 : 501,160.32 = 202,023.12 : x
  2. Step 2: Convert to fraction form
    363,137.72/501,160.32 = 202,023.12/x
  3. Step 3: Cross multiply
    363,137.72x = 501,160.32 × 202,023.12
  4. Step 4: Simplify right side
    363,137.72x = 101,245,971,466.60
  5. Step 5: Solve for x
    x = 101,245,971,466.60/363,137.72
  6. Step 6: Final answer
    x = 278,808.74

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