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Finding the Fourth Proportional to 377,896.36, 521,713.86 and 250,744.36

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Solution

The fourth proportional to 377,896.36, 521,713.86 and 250,744.36 is: 346,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,896.36 : 521,713.86 = 250,744.36 : x
  2. Step 2: Convert to fraction form
    377,896.36/521,713.86 = 250,744.36/x
  3. Step 3: Cross multiply
    377,896.36x = 521,713.86 × 250,744.36
  4. Step 4: Simplify right side
    377,896.36x = 130,816,807,928.83
  5. Step 5: Solve for x
    x = 130,816,807,928.83/377,896.36
  6. Step 6: Final answer
    x = 346,171.12

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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.