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Finding the Fourth Proportional to 397,006.52, 595,601.91 and 130,757.49

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Solution

The fourth proportional to 397,006.52, 595,601.91 and 130,757.49 is: 196,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,006.52 : 595,601.91 = 130,757.49 : x
  2. Step 2: Convert to fraction form
    397,006.52/595,601.91 = 130,757.49/x
  3. Step 3: Cross multiply
    397,006.52x = 595,601.91 × 130,757.49
  4. Step 4: Simplify right side
    397,006.52x = 77,879,410,790.81
  5. Step 5: Solve for x
    x = 77,879,410,790.81/397,006.52
  6. Step 6: Final answer
    x = 196,166.58

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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.