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Finding the Fourth Proportional to 263,299.74, 394,888.59 and 73,773.42

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Solution

The fourth proportional to 263,299.74, 394,888.59 and 73,773.42 is: 110,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,299.74 : 394,888.59 = 73,773.42 : x
  2. Step 2: Convert to fraction form
    263,299.74/394,888.59 = 73,773.42/x
  3. Step 3: Cross multiply
    263,299.74x = 394,888.59 × 73,773.42
  4. Step 4: Simplify right side
    263,299.74x = 29,132,281,803.28
  5. Step 5: Solve for x
    x = 29,132,281,803.28/263,299.74
  6. Step 6: Final answer
    x = 110,643.03

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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.