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Finding the Fourth Proportional to 263,599.36, 395,397.60 and 63,919.60

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Solution

The fourth proportional to 263,599.36, 395,397.60 and 63,919.60 is: 95,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,599.36 : 395,397.60 = 63,919.60 : x
  2. Step 2: Convert to fraction form
    263,599.36/395,397.60 = 63,919.60/x
  3. Step 3: Cross multiply
    263,599.36x = 395,397.60 × 63,919.60
  4. Step 4: Simplify right side
    263,599.36x = 25,273,656,432.96
  5. Step 5: Solve for x
    x = 25,273,656,432.96/263,599.36
  6. Step 6: Final answer
    x = 95,879.05

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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.