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Finding the Fourth Proportional to 403,550.51, 605,115.56 and 150,622.98

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Solution

The fourth proportional to 403,550.51, 605,115.56 and 150,622.98 is: 225,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,550.51 : 605,115.56 = 150,622.98 : x
  2. Step 2: Convert to fraction form
    403,550.51/605,115.56 = 150,622.98/x
  3. Step 3: Cross multiply
    403,550.51x = 605,115.56 × 150,622.98
  4. Step 4: Simplify right side
    403,550.51x = 91,144,306,998.94
  5. Step 5: Solve for x
    x = 91,144,306,998.94/403,550.51
  6. Step 6: Final answer
    x = 225,856.01

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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.