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Finding the Fourth Proportional to 544,908.60, 817,367.54 and 189,922.05

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Solution

The fourth proportional to 544,908.60, 817,367.54 and 189,922.05 is: 284,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,908.60 : 817,367.54 = 189,922.05 : x
  2. Step 2: Convert to fraction form
    544,908.60/817,367.54 = 189,922.05/x
  3. Step 3: Cross multiply
    544,908.60x = 817,367.54 × 189,922.05
  4. Step 4: Simplify right side
    544,908.60x = 155,236,117,850.65
  5. Step 5: Solve for x
    x = 155,236,117,850.65/544,908.60
  6. Step 6: Final answer
    x = 284,884.69

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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.