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Finding the Fourth Proportional to 262,858.40, 394,287.60 and 233,309.60

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Solution

The fourth proportional to 262,858.40, 394,287.60 and 233,309.60 is: 349,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,858.40 : 394,287.60 = 233,309.60 : x
  2. Step 2: Convert to fraction form
    262,858.40/394,287.60 = 233,309.60/x
  3. Step 3: Cross multiply
    262,858.40x = 394,287.60 × 233,309.60
  4. Step 4: Simplify right side
    262,858.40x = 91,991,082,240.96
  5. Step 5: Solve for x
    x = 91,991,082,240.96/262,858.40
  6. Step 6: Final answer
    x = 349,964.40

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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.