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Finding the Fourth Proportional to 548,037.60, 822,901.20 and 299,205.60

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Solution

The fourth proportional to 548,037.60, 822,901.20 and 299,205.60 is: 449,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,037.60 : 822,901.20 = 299,205.60 : x
  2. Step 2: Convert to fraction form
    548,037.60/822,901.20 = 299,205.60/x
  3. Step 3: Cross multiply
    548,037.60x = 822,901.20 × 299,205.60
  4. Step 4: Simplify right side
    548,037.60x = 246,216,647,286.72
  5. Step 5: Solve for x
    x = 246,216,647,286.72/548,037.60
  6. Step 6: Final answer
    x = 449,269.63

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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.