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Finding the Fourth Proportional to 494,401.60, 740,727.60 and 462,908.80

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Solution

The fourth proportional to 494,401.60, 740,727.60 and 462,908.80 is: 693,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,401.60 : 740,727.60 = 462,908.80 : x
  2. Step 2: Convert to fraction form
    494,401.60/740,727.60 = 462,908.80/x
  3. Step 3: Cross multiply
    494,401.60x = 740,727.60 × 462,908.80
  4. Step 4: Simplify right side
    494,401.60x = 342,889,324,442.88
  5. Step 5: Solve for x
    x = 342,889,324,442.88/494,401.60
  6. Step 6: Final answer
    x = 693,544.12

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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.