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Finding the Fourth Proportional to 332,438.98, 458,799 and 198,302.98

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Solution

The fourth proportional to 332,438.98, 458,799 and 198,302.98 is: 273,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,438.98 : 458,799 = 198,302.98 : x
  2. Step 2: Convert to fraction form
    332,438.98/458,799 = 198,302.98/x
  3. Step 3: Cross multiply
    332,438.98x = 458,799 × 198,302.98
  4. Step 4: Simplify right side
    332,438.98x = 90,981,208,921.02
  5. Step 5: Solve for x
    x = 90,981,208,921.02/332,438.98
  6. Step 6: Final answer
    x = 273,677.92

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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.