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Finding the Fourth Proportional to 332,486.98, 458,843.36 and 196,637.38

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Solution

The fourth proportional to 332,486.98, 458,843.36 and 196,637.38 is: 271,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,486.98 : 458,843.36 = 196,637.38 : x
  2. Step 2: Convert to fraction form
    332,486.98/458,843.36 = 196,637.38/x
  3. Step 3: Cross multiply
    332,486.98x = 458,843.36 × 196,637.38
  4. Step 4: Simplify right side
    332,486.98x = 90,225,756,140.80
  5. Step 5: Solve for x
    x = 90,225,756,140.80/332,486.98
  6. Step 6: Final answer
    x = 271,366.28

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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.