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Finding the Fourth Proportional to 548,193.60, 823,672.80 and 348,609.60

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Solution

The fourth proportional to 548,193.60, 823,672.80 and 348,609.60 is: 523,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,193.60 : 823,672.80 = 348,609.60 : x
  2. Step 2: Convert to fraction form
    548,193.60/823,672.80 = 348,609.60/x
  3. Step 3: Cross multiply
    548,193.60x = 823,672.80 × 348,609.60
  4. Step 4: Simplify right side
    548,193.60x = 287,140,245,338.88
  5. Step 5: Solve for x
    x = 287,140,245,338.88/548,193.60
  6. Step 6: Final answer
    x = 523,793.50

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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.