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Finding the Fourth Proportional to 263,210.67, 394,816.05 and 73,698.93

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Solution

The fourth proportional to 263,210.67, 394,816.05 and 73,698.93 is: 110,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,210.67 : 394,816.05 = 73,698.93 : x
  2. Step 2: Convert to fraction form
    263,210.67/394,816.05 = 73,698.93/x
  3. Step 3: Cross multiply
    263,210.67x = 394,816.05 × 73,698.93
  4. Step 4: Simplify right side
    263,210.67x = 29,097,520,431.83
  5. Step 5: Solve for x
    x = 29,097,520,431.83/263,210.67
  6. Step 6: Final answer
    x = 110,548.41

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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.