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Finding the Fourth Proportional to 618,558.99, 927,804.72 and 169,247.43

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Solution

The fourth proportional to 618,558.99, 927,804.72 and 169,247.43 is: 253,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,558.99 : 927,804.72 = 169,247.43 : x
  2. Step 2: Convert to fraction form
    618,558.99/927,804.72 = 169,247.43/x
  3. Step 3: Cross multiply
    618,558.99x = 927,804.72 × 169,247.43
  4. Step 4: Simplify right side
    618,558.99x = 157,028,565,036.55
  5. Step 5: Solve for x
    x = 157,028,565,036.55/618,558.99
  6. Step 6: Final answer
    x = 253,861.91

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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.