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Finding the Fourth Proportional to 618,469.56, 927,658.98 and 197,632.44

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Solution

The fourth proportional to 618,469.56, 927,658.98 and 197,632.44 is: 296,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,469.56 : 927,658.98 = 197,632.44 : x
  2. Step 2: Convert to fraction form
    618,469.56/927,658.98 = 197,632.44/x
  3. Step 3: Cross multiply
    618,469.56x = 927,658.98 × 197,632.44
  4. Step 4: Simplify right side
    618,469.56x = 183,335,507,705.31
  5. Step 5: Solve for x
    x = 183,335,507,705.31/618,469.56
  6. Step 6: Final answer
    x = 296,434.17

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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.