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Finding the Fourth Proportional to 446,622.56, 616,344 and 245,418.56

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Solution

The fourth proportional to 446,622.56, 616,344 and 245,418.56 is: 338,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,622.56 : 616,344 = 245,418.56 : x
  2. Step 2: Convert to fraction form
    446,622.56/616,344 = 245,418.56/x
  3. Step 3: Cross multiply
    446,622.56x = 616,344 × 245,418.56
  4. Step 4: Simplify right side
    446,622.56x = 151,262,256,944.64
  5. Step 5: Solve for x
    x = 151,262,256,944.64/446,622.56
  6. Step 6: Final answer
    x = 338,680.29

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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.