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Finding the Fourth Proportional to 996,003, 1,494,017.46 and 331,155

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Solution

The fourth proportional to 996,003, 1,494,017.46 and 331,155 is: 496,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,003 : 1,494,017.46 = 331,155 : x
  2. Step 2: Convert to fraction form
    996,003/1,494,017.46 = 331,155/x
  3. Step 3: Cross multiply
    996,003x = 1,494,017.46 × 331,155
  4. Step 4: Simplify right side
    996,003x = 494,751,351,966.30
  5. Step 5: Solve for x
    x = 494,751,351,966.30/996,003
  6. Step 6: Final answer
    x = 496,736.81

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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.