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Finding the Fourth Proportional to 618,165.73, 927,381.75 and 191,692.98

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Solution

The fourth proportional to 618,165.73, 927,381.75 and 191,692.98 is: 287,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,165.73 : 927,381.75 = 191,692.98 : x
  2. Step 2: Convert to fraction form
    618,165.73/927,381.75 = 191,692.98/x
  3. Step 3: Cross multiply
    618,165.73x = 927,381.75 × 191,692.98
  4. Step 4: Simplify right side
    618,165.73x = 177,772,571,255.12
  5. Step 5: Solve for x
    x = 177,772,571,255.12/618,165.73
  6. Step 6: Final answer
    x = 287,580.76

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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.