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Finding the Fourth Proportional to 1,216,592.82, 1,824,993 and 318,033.09

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Solution

The fourth proportional to 1,216,592.82, 1,824,993 and 318,033.09 is: 477,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,592.82 : 1,824,993 = 318,033.09 : x
  2. Step 2: Convert to fraction form
    1,216,592.82/1,824,993 = 318,033.09/x
  3. Step 3: Cross multiply
    1,216,592.82x = 1,824,993 × 318,033.09
  4. Step 4: Simplify right side
    1,216,592.82x = 580,408,163,018.37
  5. Step 5: Solve for x
    x = 580,408,163,018.37/1,216,592.82
  6. Step 6: Final answer
    x = 477,076.76

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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.