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Finding the Fourth Proportional to 350,284.50, 483,393.15 and 199,381.50

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Solution

The fourth proportional to 350,284.50, 483,393.15 and 199,381.50 is: 275,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,284.50 : 483,393.15 = 199,381.50 : x
  2. Step 2: Convert to fraction form
    350,284.50/483,393.15 = 199,381.50/x
  3. Step 3: Cross multiply
    350,284.50x = 483,393.15 × 199,381.50
  4. Step 4: Simplify right side
    350,284.50x = 96,379,651,336.73
  5. Step 5: Solve for x
    x = 96,379,651,336.73/350,284.50
  6. Step 6: Final answer
    x = 275,146.78

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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.