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Finding the Fourth Proportional to 199,273.40, 274,437.42 and 194,918.84

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Solution

The fourth proportional to 199,273.40, 274,437.42 and 194,918.84 is: 268,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,273.40 : 274,437.42 = 194,918.84 : x
  2. Step 2: Convert to fraction form
    199,273.40/274,437.42 = 194,918.84/x
  3. Step 3: Cross multiply
    199,273.40x = 274,437.42 × 194,918.84
  4. Step 4: Simplify right side
    199,273.40x = 53,493,023,558.99
  5. Step 5: Solve for x
    x = 53,493,023,558.99/199,273.40
  6. Step 6: Final answer
    x = 268,440.36

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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.