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Finding the Fourth Proportional to 886,191.60, 1,327,319.10 and 768,093.60

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Solution

The fourth proportional to 886,191.60, 1,327,319.10 and 768,093.60 is: 1,150,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,191.60 : 1,327,319.10 = 768,093.60 : x
  2. Step 2: Convert to fraction form
    886,191.60/1,327,319.10 = 768,093.60/x
  3. Step 3: Cross multiply
    886,191.60x = 1,327,319.10 × 768,093.60
  4. Step 4: Simplify right side
    886,191.60x = 1,019,505,305,867.76
  5. Step 5: Solve for x
    x = 1,019,505,305,867.76/886,191.60
  6. Step 6: Final answer
    x = 1,150,434.40

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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.