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Finding the Fourth Proportional to 403,559.97, 605,129.75 and 150,632.47

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Solution

The fourth proportional to 403,559.97, 605,129.75 and 150,632.47 is: 225,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,559.97 : 605,129.75 = 150,632.47 : x
  2. Step 2: Convert to fraction form
    403,559.97/605,129.75 = 150,632.47/x
  3. Step 3: Cross multiply
    403,559.97x = 605,129.75 × 150,632.47
  4. Step 4: Simplify right side
    403,559.97x = 91,152,188,912.98
  5. Step 5: Solve for x
    x = 91,152,188,912.98/403,559.97
  6. Step 6: Final answer
    x = 225,870.24

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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.