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Finding the Fourth Proportional to 263,177.61, 394,762.74 and 63,496.32

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Solution

The fourth proportional to 263,177.61, 394,762.74 and 63,496.32 is: 95,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,177.61 : 394,762.74 = 63,496.32 : x
  2. Step 2: Convert to fraction form
    263,177.61/394,762.74 = 63,496.32/x
  3. Step 3: Cross multiply
    263,177.61x = 394,762.74 × 63,496.32
  4. Step 4: Simplify right side
    263,177.61x = 25,065,981,263.12
  5. Step 5: Solve for x
    x = 25,065,981,263.12/263,177.61
  6. Step 6: Final answer
    x = 95,243.59

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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.