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Finding the Fourth Proportional to 201,879.77, 302,820.11 and 189,548.73

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Solution

The fourth proportional to 201,879.77, 302,820.11 and 189,548.73 is: 284,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,879.77 : 302,820.11 = 189,548.73 : x
  2. Step 2: Convert to fraction form
    201,879.77/302,820.11 = 189,548.73/x
  3. Step 3: Cross multiply
    201,879.77x = 302,820.11 × 189,548.73
  4. Step 4: Simplify right side
    201,879.77x = 57,399,167,268.96
  5. Step 5: Solve for x
    x = 57,399,167,268.96/201,879.77
  6. Step 6: Final answer
    x = 284,323.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.