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Finding the Fourth Proportional to 446,677.26, 616,165.11 and 274,475.58

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Solution

The fourth proportional to 446,677.26, 616,165.11 and 274,475.58 is: 378,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,677.26 : 616,165.11 = 274,475.58 : x
  2. Step 2: Convert to fraction form
    446,677.26/616,165.11 = 274,475.58/x
  3. Step 3: Cross multiply
    446,677.26x = 616,165.11 × 274,475.58
  4. Step 4: Simplify right side
    446,677.26x = 169,122,275,943.01
  5. Step 5: Solve for x
    x = 169,122,275,943.01/446,677.26
  6. Step 6: Final answer
    x = 378,622.98

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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.