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Finding the Fourth Proportional to 800,491.88, 1,104,687.51 and 437,907.96

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Solution

The fourth proportional to 800,491.88, 1,104,687.51 and 437,907.96 is: 604,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,491.88 : 1,104,687.51 = 437,907.96 : x
  2. Step 2: Convert to fraction form
    800,491.88/1,104,687.51 = 437,907.96/x
  3. Step 3: Cross multiply
    800,491.88x = 1,104,687.51 × 437,907.96
  4. Step 4: Simplify right side
    800,491.88x = 483,751,453,941.58
  5. Step 5: Solve for x
    x = 483,751,453,941.58/800,491.88
  6. Step 6: Final answer
    x = 604,317.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.