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Finding the Fourth Proportional to 454,911.66, 682,958.79 and 349,804.44

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Solution

The fourth proportional to 454,911.66, 682,958.79 and 349,804.44 is: 525,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,911.66 : 682,958.79 = 349,804.44 : x
  2. Step 2: Convert to fraction form
    454,911.66/682,958.79 = 349,804.44/x
  3. Step 3: Cross multiply
    454,911.66x = 682,958.79 × 349,804.44
  4. Step 4: Simplify right side
    454,911.66x = 238,902,017,079.03
  5. Step 5: Solve for x
    x = 238,902,017,079.03/454,911.66
  6. Step 6: Final answer
    x = 525,161.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.