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Finding the Fourth Proportional to 946,266.86, 1,419,393 and 236,290.16

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Solution

The fourth proportional to 946,266.86, 1,419,393 and 236,290.16 is: 354,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,266.86 : 1,419,393 = 236,290.16 : x
  2. Step 2: Convert to fraction form
    946,266.86/1,419,393 = 236,290.16/x
  3. Step 3: Cross multiply
    946,266.86x = 1,419,393 × 236,290.16
  4. Step 4: Simplify right side
    946,266.86x = 335,388,599,072.88
  5. Step 5: Solve for x
    x = 335,388,599,072.88/946,266.86
  6. Step 6: Final answer
    x = 354,433.42

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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.