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Finding the Fourth Proportional to 494,216.98, 740,479.20 and 269,734.93

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Solution

The fourth proportional to 494,216.98, 740,479.20 and 269,734.93 is: 404,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,216.98 : 740,479.20 = 269,734.93 : x
  2. Step 2: Convert to fraction form
    494,216.98/740,479.20 = 269,734.93/x
  3. Step 3: Cross multiply
    494,216.98x = 740,479.20 × 269,734.93
  4. Step 4: Simplify right side
    494,216.98x = 199,733,102,909.79
  5. Step 5: Solve for x
    x = 199,733,102,909.79/494,216.98
  6. Step 6: Final answer
    x = 404,140.51

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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.