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Finding the Fourth Proportional to 446,994.75, 616,852.76 and 245,790.75

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Solution

The fourth proportional to 446,994.75, 616,852.76 and 245,790.75 is: 339,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,994.75 : 616,852.76 = 245,790.75 : x
  2. Step 2: Convert to fraction form
    446,994.75/616,852.76 = 245,790.75/x
  3. Step 3: Cross multiply
    446,994.75x = 616,852.76 × 245,790.75
  4. Step 4: Simplify right side
    446,994.75x = 151,616,702,519.97
  5. Step 5: Solve for x
    x = 151,616,702,519.97/446,994.75
  6. Step 6: Final answer
    x = 339,191.24

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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.