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Finding the Fourth Proportional to 667,798.25, 1,001,708.37 and 188,037.63

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Solution

The fourth proportional to 667,798.25, 1,001,708.37 and 188,037.63 is: 282,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,798.25 : 1,001,708.37 = 188,037.63 : x
  2. Step 2: Convert to fraction form
    667,798.25/1,001,708.37 = 188,037.63/x
  3. Step 3: Cross multiply
    667,798.25x = 1,001,708.37 × 188,037.63
  4. Step 4: Simplify right side
    667,798.25x = 188,358,867,845.96
  5. Step 5: Solve for x
    x = 188,358,867,845.96/667,798.25
  6. Step 6: Final answer
    x = 282,059.54

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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.