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Finding the Fourth Proportional to 511,803.35, 767,803.44 and 196,235.65

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Solution

The fourth proportional to 511,803.35, 767,803.44 and 196,235.65 is: 294,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,803.35 : 767,803.44 = 196,235.65 : x
  2. Step 2: Convert to fraction form
    511,803.35/767,803.44 = 196,235.65/x
  3. Step 3: Cross multiply
    511,803.35x = 767,803.44 × 196,235.65
  4. Step 4: Simplify right side
    511,803.35x = 150,670,408,816.27
  5. Step 5: Solve for x
    x = 150,670,408,816.27/511,803.35
  6. Step 6: Final answer
    x = 294,391.21

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1.5x scale

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.