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Finding the Fourth Proportional to 274,336.20, 410,848.20 and 221,848.20

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Solution

The fourth proportional to 274,336.20, 410,848.20 and 221,848.20 is: 332,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,336.20 : 410,848.20 = 221,848.20 : x
  2. Step 2: Convert to fraction form
    274,336.20/410,848.20 = 221,848.20/x
  3. Step 3: Cross multiply
    274,336.20x = 410,848.20 × 221,848.20
  4. Step 4: Simplify right side
    274,336.20x = 91,145,933,643.24
  5. Step 5: Solve for x
    x = 91,145,933,643.24/274,336.20
  6. Step 6: Final answer
    x = 332,241.73

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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.