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Finding the Fourth Proportional to 618,228.41, 927,475.45 and 191,755.31

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Solution

The fourth proportional to 618,228.41, 927,475.45 and 191,755.31 is: 287,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,228.41 : 927,475.45 = 191,755.31 : x
  2. Step 2: Convert to fraction form
    618,228.41/927,475.45 = 191,755.31/x
  3. Step 3: Cross multiply
    618,228.41x = 927,475.45 × 191,755.31
  4. Step 4: Simplify right side
    618,228.41x = 177,848,337,315.37
  5. Step 5: Solve for x
    x = 177,848,337,315.37/618,228.41
  6. Step 6: Final answer
    x = 287,674.16

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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.