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Finding the Fourth Proportional to 612,104.14, 844,782.56 and 343,883.98

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Solution

The fourth proportional to 612,104.14, 844,782.56 and 343,883.98 is: 474,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,104.14 : 844,782.56 = 343,883.98 : x
  2. Step 2: Convert to fraction form
    612,104.14/844,782.56 = 343,883.98/x
  3. Step 3: Cross multiply
    612,104.14x = 844,782.56 × 343,883.98
  4. Step 4: Simplify right side
    612,104.14x = 290,507,188,967.39
  5. Step 5: Solve for x
    x = 290,507,188,967.39/612,104.14
  6. Step 6: Final answer
    x = 474,604.19

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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.