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Finding the Fourth Proportional to 345,893.30, 477,290.30 and 192,895.64

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Solution

The fourth proportional to 345,893.30, 477,290.30 and 192,895.64 is: 266,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,893.30 : 477,290.30 = 192,895.64 : x
  2. Step 2: Convert to fraction form
    345,893.30/477,290.30 = 192,895.64/x
  3. Step 3: Cross multiply
    345,893.30x = 477,290.30 × 192,895.64
  4. Step 4: Simplify right side
    345,893.30x = 92,067,217,884.29
  5. Step 5: Solve for x
    x = 92,067,217,884.29/345,893.30
  6. Step 6: Final answer
    x = 266,172.31

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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.