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Finding the Fourth Proportional to 445,518.44, 668,308.88 and 179,280.20

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Solution

The fourth proportional to 445,518.44, 668,308.88 and 179,280.20 is: 268,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,518.44 : 668,308.88 = 179,280.20 : x
  2. Step 2: Convert to fraction form
    445,518.44/668,308.88 = 179,280.20/x
  3. Step 3: Cross multiply
    445,518.44x = 668,308.88 × 179,280.20
  4. Step 4: Simplify right side
    445,518.44x = 119,814,550,778.70
  5. Step 5: Solve for x
    x = 119,814,550,778.70/445,518.44
  6. Step 6: Final answer
    x = 268,932.86

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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.