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Finding the Fourth Proportional to 511,803.22, 767,803.26 and 196,235.52

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Solution

The fourth proportional to 511,803.22, 767,803.26 and 196,235.52 is: 294,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,803.22 : 767,803.26 = 196,235.52 : x
  2. Step 2: Convert to fraction form
    511,803.22/767,803.26 = 196,235.52/x
  3. Step 3: Cross multiply
    511,803.22x = 767,803.26 × 196,235.52
  4. Step 4: Simplify right side
    511,803.22x = 150,670,271,983.80
  5. Step 5: Solve for x
    x = 150,670,271,983.80/511,803.22
  6. Step 6: Final answer
    x = 294,391.02

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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.