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Finding the Fourth Proportional to 330,675.74, 496,216.66 and 262,806.29

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Solution

The fourth proportional to 330,675.74, 496,216.66 and 262,806.29 is: 394,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,675.74 : 496,216.66 = 262,806.29 : x
  2. Step 2: Convert to fraction form
    330,675.74/496,216.66 = 262,806.29/x
  3. Step 3: Cross multiply
    330,675.74x = 496,216.66 × 262,806.29
  4. Step 4: Simplify right side
    330,675.74x = 130,408,859,450.79
  5. Step 5: Solve for x
    x = 130,408,859,450.79/330,675.74
  6. Step 6: Final answer
    x = 394,370.81

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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.