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Finding the Fourth Proportional to 481,792.42, 664,853.97 and 266,941.54

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Solution

The fourth proportional to 481,792.42, 664,853.97 and 266,941.54 is: 368,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,792.42 : 664,853.97 = 266,941.54 : x
  2. Step 2: Convert to fraction form
    481,792.42/664,853.97 = 266,941.54/x
  3. Step 3: Cross multiply
    481,792.42x = 664,853.97 × 266,941.54
  4. Step 4: Simplify right side
    481,792.42x = 177,477,142,626.91
  5. Step 5: Solve for x
    x = 177,477,142,626.91/481,792.42
  6. Step 6: Final answer
    x = 368,368.48

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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.