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Finding the Fourth Proportional to 367,093.20, 550,639.80 and 130,702.80

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Solution

The fourth proportional to 367,093.20, 550,639.80 and 130,702.80 is: 196,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,093.20 : 550,639.80 = 130,702.80 : x
  2. Step 2: Convert to fraction form
    367,093.20/550,639.80 = 130,702.80/x
  3. Step 3: Cross multiply
    367,093.20x = 550,639.80 × 130,702.80
  4. Step 4: Simplify right side
    367,093.20x = 71,970,163,651.44
  5. Step 5: Solve for x
    x = 71,970,163,651.44/367,093.20
  6. Step 6: Final answer
    x = 196,054.20

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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.