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Finding the Fourth Proportional to 344,478.65, 475,396.74 and 191,519.37

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Solution

The fourth proportional to 344,478.65, 475,396.74 and 191,519.37 is: 264,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,478.65 : 475,396.74 = 191,519.37 : x
  2. Step 2: Convert to fraction form
    344,478.65/475,396.74 = 191,519.37/x
  3. Step 3: Cross multiply
    344,478.65x = 475,396.74 × 191,519.37
  4. Step 4: Simplify right side
    344,478.65x = 91,047,684,144.85
  5. Step 5: Solve for x
    x = 91,047,684,144.85/344,478.65
  6. Step 6: Final answer
    x = 264,305.74

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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.