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Finding the Fourth Proportional to 360,003.70, 496,799.95 and 196,658.23

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Solution

The fourth proportional to 360,003.70, 496,799.95 and 196,658.23 is: 271,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,003.70 : 496,799.95 = 196,658.23 : x
  2. Step 2: Convert to fraction form
    360,003.70/496,799.95 = 196,658.23/x
  3. Step 3: Cross multiply
    360,003.70x = 496,799.95 × 196,658.23
  4. Step 4: Simplify right side
    360,003.70x = 97,699,797,568.03
  5. Step 5: Solve for x
    x = 97,699,797,568.03/360,003.70
  6. Step 6: Final answer
    x = 271,385.54

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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.