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Finding the Fourth Proportional to 332,440.48, 458,801.07 and 198,304.48

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Solution

The fourth proportional to 332,440.48, 458,801.07 and 198,304.48 is: 273,679.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,440.48 : 458,801.07 = 198,304.48 : x
  2. Step 2: Convert to fraction form
    332,440.48/458,801.07 = 198,304.48/x
  3. Step 3: Cross multiply
    332,440.48x = 458,801.07 × 198,304.48
  4. Step 4: Simplify right side
    332,440.48x = 90,982,307,609.79
  5. Step 5: Solve for x
    x = 90,982,307,609.79/332,440.48
  6. Step 6: Final answer
    x = 273,679.99

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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.