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Finding the Fourth Proportional to 263,960.16, 395,940.48 and 64,278.96

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Solution

The fourth proportional to 263,960.16, 395,940.48 and 64,278.96 is: 96,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,960.16 : 395,940.48 = 64,278.96 : x
  2. Step 2: Convert to fraction form
    263,960.16/395,940.48 = 64,278.96/x
  3. Step 3: Cross multiply
    263,960.16x = 395,940.48 × 64,278.96
  4. Step 4: Simplify right side
    263,960.16x = 25,450,642,276.30
  5. Step 5: Solve for x
    x = 25,450,642,276.30/263,960.16
  6. Step 6: Final answer
    x = 96,418.50

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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.