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Finding the Fourth Proportional to 446,520.96, 669,794.40 and 197,222.40

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Solution

The fourth proportional to 446,520.96, 669,794.40 and 197,222.40 is: 295,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,520.96 : 669,794.40 = 197,222.40 : x
  2. Step 2: Convert to fraction form
    446,520.96/669,794.40 = 197,222.40/x
  3. Step 3: Cross multiply
    446,520.96x = 669,794.40 × 197,222.40
  4. Step 4: Simplify right side
    446,520.96x = 132,098,459,074.56
  5. Step 5: Solve for x
    x = 132,098,459,074.56/446,520.96
  6. Step 6: Final answer
    x = 295,839.32

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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.