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Finding the Fourth Proportional to 446,989.50, 616,845.51 and 245,785.50

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Solution

The fourth proportional to 446,989.50, 616,845.51 and 245,785.50 is: 339,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,989.50 : 616,845.51 = 245,785.50 : x
  2. Step 2: Convert to fraction form
    446,989.50/616,845.51 = 245,785.50/x
  3. Step 3: Cross multiply
    446,989.50x = 616,845.51 × 245,785.50
  4. Step 4: Simplify right side
    446,989.50x = 151,611,682,098.11
  5. Step 5: Solve for x
    x = 151,611,682,098.11/446,989.50
  6. Step 6: Final answer
    x = 339,183.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.