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Finding the Fourth Proportional to 544,062.70, 816,094.05 and 189,112.60

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Solution

The fourth proportional to 544,062.70, 816,094.05 and 189,112.60 is: 283,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,062.70 : 816,094.05 = 189,112.60 : x
  2. Step 2: Convert to fraction form
    544,062.70/816,094.05 = 189,112.60/x
  3. Step 3: Cross multiply
    544,062.70x = 816,094.05 × 189,112.60
  4. Step 4: Simplify right side
    544,062.70x = 154,333,667,640.03
  5. Step 5: Solve for x
    x = 154,333,667,640.03/544,062.70
  6. Step 6: Final answer
    x = 283,668.90

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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.