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Finding the Fourth Proportional to 297,777.75, 410,933.30 and 163,641.75

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Solution

The fourth proportional to 297,777.75, 410,933.30 and 163,641.75 is: 225,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,777.75 : 410,933.30 = 163,641.75 : x
  2. Step 2: Convert to fraction form
    297,777.75/410,933.30 = 163,641.75/x
  3. Step 3: Cross multiply
    297,777.75x = 410,933.30 × 163,641.75
  4. Step 4: Simplify right side
    297,777.75x = 67,245,843,527.07
  5. Step 5: Solve for x
    x = 67,245,843,527.07/297,777.75
  6. Step 6: Final answer
    x = 225,825.62

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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.