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Finding the Fourth Proportional to 296,903.44, 445,348.92 and 72,265.13

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Solution

The fourth proportional to 296,903.44, 445,348.92 and 72,265.13 is: 108,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,903.44 : 445,348.92 = 72,265.13 : x
  2. Step 2: Convert to fraction form
    296,903.44/445,348.92 = 72,265.13/x
  3. Step 3: Cross multiply
    296,903.44x = 445,348.92 × 72,265.13
  4. Step 4: Simplify right side
    296,903.44x = 32,183,196,906.98
  5. Step 5: Solve for x
    x = 32,183,196,906.98/296,903.44
  6. Step 6: Final answer
    x = 108,396.17

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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.