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Finding the Fourth Proportional to 682,179.96, 941,777.44 and 410,308.55

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Solution

The fourth proportional to 682,179.96, 941,777.44 and 410,308.55 is: 566,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,179.96 : 941,777.44 = 410,308.55 : x
  2. Step 2: Convert to fraction form
    682,179.96/941,777.44 = 410,308.55/x
  3. Step 3: Cross multiply
    682,179.96x = 941,777.44 × 410,308.55
  4. Step 4: Simplify right side
    682,179.96x = 386,419,330,094.45
  5. Step 5: Solve for x
    x = 386,419,330,094.45/682,179.96
  6. Step 6: Final answer
    x = 566,447.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.