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Finding the Fourth Proportional to 481,374.75, 664,297.20 and 263,597.16

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Solution

The fourth proportional to 481,374.75, 664,297.20 and 263,597.16 is: 363,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,374.75 : 664,297.20 = 263,597.16 : x
  2. Step 2: Convert to fraction form
    481,374.75/664,297.20 = 263,597.16/x
  3. Step 3: Cross multiply
    481,374.75x = 664,297.20 × 263,597.16
  4. Step 4: Simplify right side
    481,374.75x = 175,106,855,938.73
  5. Step 5: Solve for x
    x = 175,106,855,938.73/481,374.75
  6. Step 6: Final answer
    x = 363,764.11

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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.