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Finding the Fourth Proportional to 344,995.11, 476,048.19 and 192,039.74

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Solution

The fourth proportional to 344,995.11, 476,048.19 and 192,039.74 is: 264,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,995.11 : 476,048.19 = 192,039.74 : x
  2. Step 2: Convert to fraction form
    344,995.11/476,048.19 = 192,039.74/x
  3. Step 3: Cross multiply
    344,995.11x = 476,048.19 × 192,039.74
  4. Step 4: Simplify right side
    344,995.11x = 91,420,170,635.07
  5. Step 5: Solve for x
    x = 91,420,170,635.07/344,995.11
  6. Step 6: Final answer
    x = 264,989.76

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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.