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Finding the Fourth Proportional to 332,439.98, 458,800.38 and 198,303.98

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Solution

The fourth proportional to 332,439.98, 458,800.38 and 198,303.98 is: 273,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,439.98 : 458,800.38 = 198,303.98 : x
  2. Step 2: Convert to fraction form
    332,439.98/458,800.38 = 198,303.98/x
  3. Step 3: Cross multiply
    332,439.98x = 458,800.38 × 198,303.98
  4. Step 4: Simplify right side
    332,439.98x = 90,981,941,379.51
  5. Step 5: Solve for x
    x = 90,981,941,379.51/332,439.98
  6. Step 6: Final answer
    x = 273,679.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.