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Finding the Fourth Proportional to 226,808.37, 312,942.15 and 190,647.27

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Solution

The fourth proportional to 226,808.37, 312,942.15 and 190,647.27 is: 263,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,808.37 : 312,942.15 = 190,647.27 : x
  2. Step 2: Convert to fraction form
    226,808.37/312,942.15 = 190,647.27/x
  3. Step 3: Cross multiply
    226,808.37x = 312,942.15 × 190,647.27
  4. Step 4: Simplify right side
    226,808.37x = 59,661,566,565.43
  5. Step 5: Solve for x
    x = 59,661,566,565.43/226,808.37
  6. Step 6: Final answer
    x = 263,048.35

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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.