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Finding the Fourth Proportional to 524,738.08, 787,163.37 and 145,660.41

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Solution

The fourth proportional to 524,738.08, 787,163.37 and 145,660.41 is: 218,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,738.08 : 787,163.37 = 145,660.41 : x
  2. Step 2: Convert to fraction form
    524,738.08/787,163.37 = 145,660.41/x
  3. Step 3: Cross multiply
    524,738.08x = 787,163.37 × 145,660.41
  4. Step 4: Simplify right side
    524,738.08x = 114,658,538,664.96
  5. Step 5: Solve for x
    x = 114,658,538,664.96/524,738.08
  6. Step 6: Final answer
    x = 218,506.23

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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.