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Finding the Fourth Proportional to 332,439.48, 458,799.69 and 198,303.48

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Solution

The fourth proportional to 332,439.48, 458,799.69 and 198,303.48 is: 273,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,439.48 : 458,799.69 = 198,303.48 : x
  2. Step 2: Convert to fraction form
    332,439.48/458,799.69 = 198,303.48/x
  3. Step 3: Cross multiply
    332,439.48x = 458,799.69 × 198,303.48
  4. Step 4: Simplify right side
    332,439.48x = 90,981,575,149.92
  5. Step 5: Solve for x
    x = 90,981,575,149.92/332,439.48
  6. Step 6: Final answer
    x = 273,678.61

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1.5x scale

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.