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Finding the Fourth Proportional to 431,745.54, 595,972.98 and 324,626.64

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Solution

The fourth proportional to 431,745.54, 595,972.98 and 324,626.64 is: 448,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,745.54 : 595,972.98 = 324,626.64 : x
  2. Step 2: Convert to fraction form
    431,745.54/595,972.98 = 324,626.64/x
  3. Step 3: Cross multiply
    431,745.54x = 595,972.98 × 324,626.64
  4. Step 4: Simplify right side
    431,745.54x = 193,468,706,028.19
  5. Step 5: Solve for x
    x = 193,468,706,028.19/431,745.54
  6. Step 6: Final answer
    x = 448,108.18

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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.