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Finding the Fourth Proportional to 403,694.94, 605,539.38 and 104,150.06

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Solution

The fourth proportional to 403,694.94, 605,539.38 and 104,150.06 is: 156,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,694.94 : 605,539.38 = 104,150.06 : x
  2. Step 2: Convert to fraction form
    403,694.94/605,539.38 = 104,150.06/x
  3. Step 3: Cross multiply
    403,694.94x = 605,539.38 × 104,150.06
  4. Step 4: Simplify right side
    403,694.94x = 63,066,962,759.36
  5. Step 5: Solve for x
    x = 63,066,962,759.36/403,694.94
  6. Step 6: Final answer
    x = 156,224.31

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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.