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Finding the Fourth Proportional to 297,855.60, 446,740.20 and 87,471.60

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Solution

The fourth proportional to 297,855.60, 446,740.20 and 87,471.60 is: 131,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,855.60 : 446,740.20 = 87,471.60 : x
  2. Step 2: Convert to fraction form
    297,855.60/446,740.20 = 87,471.60/x
  3. Step 3: Cross multiply
    297,855.60x = 446,740.20 × 87,471.60
  4. Step 4: Simplify right side
    297,855.60x = 39,077,080,078.32
  5. Step 5: Solve for x
    x = 39,077,080,078.32/297,855.60
  6. Step 6: Final answer
    x = 131,194.71

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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.