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Finding the Fourth Proportional to 262,336.29, 393,504.44 and 72,796.72

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Solution

The fourth proportional to 262,336.29, 393,504.44 and 72,796.72 is: 109,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,336.29 : 393,504.44 = 72,796.72 : x
  2. Step 2: Convert to fraction form
    262,336.29/393,504.44 = 72,796.72/x
  3. Step 3: Cross multiply
    262,336.29x = 393,504.44 × 72,796.72
  4. Step 4: Simplify right side
    262,336.29x = 28,645,832,537.44
  5. Step 5: Solve for x
    x = 28,645,832,537.44/262,336.29
  6. Step 6: Final answer
    x = 109,195.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.