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Finding the Fourth Proportional to 618,773.63, 928,161.17 and 169,498.37

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Solution

The fourth proportional to 618,773.63, 928,161.17 and 169,498.37 is: 254,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,773.63 : 928,161.17 = 169,498.37 : x
  2. Step 2: Convert to fraction form
    618,773.63/928,161.17 = 169,498.37/x
  3. Step 3: Cross multiply
    618,773.63x = 928,161.17 × 169,498.37
  4. Step 4: Simplify right side
    618,773.63x = 157,321,808,156.44
  5. Step 5: Solve for x
    x = 157,321,808,156.44/618,773.63
  6. Step 6: Final answer
    x = 254,247.76

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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.