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Finding the Fourth Proportional to 344,249.16, 475,054.40 and 191,283.42

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Solution

The fourth proportional to 344,249.16, 475,054.40 and 191,283.42 is: 263,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,249.16 : 475,054.40 = 191,283.42 : x
  2. Step 2: Convert to fraction form
    344,249.16/475,054.40 = 191,283.42/x
  3. Step 3: Cross multiply
    344,249.16x = 475,054.40 × 191,283.42
  4. Step 4: Simplify right side
    344,249.16x = 90,870,030,318.05
  5. Step 5: Solve for x
    x = 90,870,030,318.05/344,249.16
  6. Step 6: Final answer
    x = 263,965.87

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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.