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Finding the Fourth Proportional to 397,060.65, 595,589.46 and 112,751.21

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Solution

The fourth proportional to 397,060.65, 595,589.46 and 112,751.21 is: 169,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,060.65 : 595,589.46 = 112,751.21 : x
  2. Step 2: Convert to fraction form
    397,060.65/595,589.46 = 112,751.21/x
  3. Step 3: Cross multiply
    397,060.65x = 595,589.46 × 112,751.21
  4. Step 4: Simplify right side
    397,060.65x = 67,153,429,300.30
  5. Step 5: Solve for x
    x = 67,153,429,300.30/397,060.65
  6. Step 6: Final answer
    x = 169,126.38

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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.