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Finding the Fourth Proportional to 360,091.37, 496,883.74 and 198,936.81

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Solution

The fourth proportional to 360,091.37, 496,883.74 and 198,936.81 is: 274,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,091.37 : 496,883.74 = 198,936.81 : x
  2. Step 2: Convert to fraction form
    360,091.37/496,883.74 = 198,936.81/x
  3. Step 3: Cross multiply
    360,091.37x = 496,883.74 × 198,936.81
  4. Step 4: Simplify right side
    360,091.37x = 98,848,466,611.64
  5. Step 5: Solve for x
    x = 98,848,466,611.64/360,091.37
  6. Step 6: Final answer
    x = 274,509.40

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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.