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Finding the Fourth Proportional to 297,260.43, 445,889.08 and 72,622.13

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Solution

The fourth proportional to 297,260.43, 445,889.08 and 72,622.13 is: 108,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,260.43 : 445,889.08 = 72,622.13 : x
  2. Step 2: Convert to fraction form
    297,260.43/445,889.08 = 72,622.13/x
  3. Step 3: Cross multiply
    297,260.43x = 445,889.08 × 72,622.13
  4. Step 4: Simplify right side
    297,260.43x = 32,381,412,322.34
  5. Step 5: Solve for x
    x = 32,381,412,322.34/297,260.43
  6. Step 6: Final answer
    x = 108,932.80

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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.