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Finding the Fourth Proportional to 290,394.75, 400,571.01 and 182,777.95

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Solution

The fourth proportional to 290,394.75, 400,571.01 and 182,777.95 is: 252,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,394.75 : 400,571.01 = 182,777.95 : x
  2. Step 2: Convert to fraction form
    290,394.75/400,571.01 = 182,777.95/x
  3. Step 3: Cross multiply
    290,394.75x = 400,571.01 × 182,777.95
  4. Step 4: Simplify right side
    290,394.75x = 73,215,548,037.23
  5. Step 5: Solve for x
    x = 73,215,548,037.23/290,394.75
  6. Step 6: Final answer
    x = 252,124.21

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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.