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Finding the Fourth Proportional to 618,456.04, 927,446.46 and 219,023.08

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Solution

The fourth proportional to 618,456.04, 927,446.46 and 219,023.08 is: 328,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,456.04 : 927,446.46 = 219,023.08 : x
  2. Step 2: Convert to fraction form
    618,456.04/927,446.46 = 219,023.08/x
  3. Step 3: Cross multiply
    618,456.04x = 927,446.46 × 219,023.08
  4. Step 4: Simplify right side
    618,456.04x = 203,132,180,204.30
  5. Step 5: Solve for x
    x = 203,132,180,204.30/618,456.04
  6. Step 6: Final answer
    x = 328,450.48

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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.