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Finding the Fourth Proportional to 297,842.40, 446,763.60 and 196,365.60

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Solution

The fourth proportional to 297,842.40, 446,763.60 and 196,365.60 is: 294,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,842.40 : 446,763.60 = 196,365.60 : x
  2. Step 2: Convert to fraction form
    297,842.40/446,763.60 = 196,365.60/x
  3. Step 3: Cross multiply
    297,842.40x = 446,763.60 × 196,365.60
  4. Step 4: Simplify right side
    297,842.40x = 87,729,002,372.16
  5. Step 5: Solve for x
    x = 87,729,002,372.16/297,842.40
  6. Step 6: Final answer
    x = 294,548.40

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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.