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Finding the Fourth Proportional to 440,203.26, 660,198.09 and 203,317.98

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Solution

The fourth proportional to 440,203.26, 660,198.09 and 203,317.98 is: 304,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,203.26 : 660,198.09 = 203,317.98 : x
  2. Step 2: Convert to fraction form
    440,203.26/660,198.09 = 203,317.98/x
  3. Step 3: Cross multiply
    440,203.26x = 660,198.09 × 203,317.98
  4. Step 4: Simplify right side
    440,203.26x = 134,230,142,058.66
  5. Step 5: Solve for x
    x = 134,230,142,058.66/440,203.26
  6. Step 6: Final answer
    x = 304,927.64

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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.