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Finding the Fourth Proportional to 263,504.57, 395,267.72 and 76,516.07

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Solution

The fourth proportional to 263,504.57, 395,267.72 and 76,516.07 is: 114,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,504.57 : 395,267.72 = 76,516.07 : x
  2. Step 2: Convert to fraction form
    263,504.57/395,267.72 = 76,516.07/x
  3. Step 3: Cross multiply
    263,504.57x = 395,267.72 × 76,516.07
  4. Step 4: Simplify right side
    263,504.57x = 30,244,330,173.34
  5. Step 5: Solve for x
    x = 30,244,330,173.34/263,504.57
  6. Step 6: Final answer
    x = 114,777.25

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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.