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Finding the Fourth Proportional to 544,892.87, 817,343.87 and 189,906.32

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Solution

The fourth proportional to 544,892.87, 817,343.87 and 189,906.32 is: 284,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,892.87 : 817,343.87 = 189,906.32 : x
  2. Step 2: Convert to fraction form
    544,892.87/817,343.87 = 189,906.32/x
  3. Step 3: Cross multiply
    544,892.87x = 817,343.87 × 189,906.32
  4. Step 4: Simplify right side
    544,892.87x = 155,218,767,620.09
  5. Step 5: Solve for x
    x = 155,218,767,620.09/544,892.87
  6. Step 6: Final answer
    x = 284,861.07

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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.