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Finding the Fourth Proportional to 548,092.26, 820,970.37 and 263,364.30

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Solution

The fourth proportional to 548,092.26, 820,970.37 and 263,364.30 is: 394,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,092.26 : 820,970.37 = 263,364.30 : x
  2. Step 2: Convert to fraction form
    548,092.26/820,970.37 = 263,364.30/x
  3. Step 3: Cross multiply
    548,092.26x = 820,970.37 × 263,364.30
  4. Step 4: Simplify right side
    548,092.26x = 216,214,286,815.79
  5. Step 5: Solve for x
    x = 216,214,286,815.79/548,092.26
  6. Step 6: Final answer
    x = 394,485.20

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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.