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Finding the Fourth Proportional to 444,698.82, 666,846.50 and 191,859.74

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Solution

The fourth proportional to 444,698.82, 666,846.50 and 191,859.74 is: 287,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,698.82 : 666,846.50 = 191,859.74 : x
  2. Step 2: Convert to fraction form
    444,698.82/666,846.50 = 191,859.74/x
  3. Step 3: Cross multiply
    444,698.82x = 666,846.50 × 191,859.74
  4. Step 4: Simplify right side
    444,698.82x = 127,940,996,109.91
  5. Step 5: Solve for x
    x = 127,940,996,109.91/444,698.82
  6. Step 6: Final answer
    x = 287,702.58

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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.