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Finding the Fourth Proportional to 444,698.31, 666,845.76 and 191,859.24

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Solution

The fourth proportional to 444,698.31, 666,845.76 and 191,859.24 is: 287,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,698.31 : 666,845.76 = 191,859.24 : x
  2. Step 2: Convert to fraction form
    444,698.31/666,845.76 = 191,859.24/x
  3. Step 3: Cross multiply
    444,698.31x = 666,845.76 × 191,859.24
  4. Step 4: Simplify right side
    444,698.31x = 127,940,520,710.82
  5. Step 5: Solve for x
    x = 127,940,520,710.82/444,698.31
  6. Step 6: Final answer
    x = 287,701.84

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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.