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Finding the Fourth Proportional to 360,361.26, 497,260.49 and 199,190.30

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Solution

The fourth proportional to 360,361.26, 497,260.49 and 199,190.30 is: 274,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,361.26 : 497,260.49 = 199,190.30 : x
  2. Step 2: Convert to fraction form
    360,361.26/497,260.49 = 199,190.30/x
  3. Step 3: Cross multiply
    360,361.26x = 497,260.49 × 199,190.30
  4. Step 4: Simplify right side
    360,361.26x = 99,049,462,698.99
  5. Step 5: Solve for x
    x = 99,049,462,698.99/360,361.26
  6. Step 6: Final answer
    x = 274,861.57

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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.