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Finding the Fourth Proportional to 682,609.60, 1,022,608.80 and 366,961.60

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Solution

The fourth proportional to 682,609.60, 1,022,608.80 and 366,961.60 is: 549,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,609.60 : 1,022,608.80 = 366,961.60 : x
  2. Step 2: Convert to fraction form
    682,609.60/1,022,608.80 = 366,961.60/x
  3. Step 3: Cross multiply
    682,609.60x = 1,022,608.80 × 366,961.60
  4. Step 4: Simplify right side
    682,609.60x = 375,258,161,422.08
  5. Step 5: Solve for x
    x = 375,258,161,422.08/682,609.60
  6. Step 6: Final answer
    x = 549,740.53

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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.