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Finding the Fourth Proportional to 255,724.63, 353,051.19 and 227,351.80

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Solution

The fourth proportional to 255,724.63, 353,051.19 and 227,351.80 is: 313,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,724.63 : 353,051.19 = 227,351.80 : x
  2. Step 2: Convert to fraction form
    255,724.63/353,051.19 = 227,351.80/x
  3. Step 3: Cross multiply
    255,724.63x = 353,051.19 × 227,351.80
  4. Step 4: Simplify right side
    255,724.63x = 80,266,823,538.64
  5. Step 5: Solve for x
    x = 80,266,823,538.64/255,724.63
  6. Step 6: Final answer
    x = 313,879.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.