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Finding the Fourth Proportional to 263,914.74, 395,866.55 and 64,236.24

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Solution

The fourth proportional to 263,914.74, 395,866.55 and 64,236.24 is: 96,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,914.74 : 395,866.55 = 64,236.24 : x
  2. Step 2: Convert to fraction form
    263,914.74/395,866.55 = 64,236.24/x
  3. Step 3: Cross multiply
    263,914.74x = 395,866.55 × 64,236.24
  4. Step 4: Simplify right side
    263,914.74x = 25,428,978,392.59
  5. Step 5: Solve for x
    x = 25,428,978,392.59/263,914.74
  6. Step 6: Final answer
    x = 96,353.01

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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.