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Finding the Fourth Proportional to 481,197.70, 664,218.83 and 277,330.06

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Solution

The fourth proportional to 481,197.70, 664,218.83 and 277,330.06 is: 382,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,197.70 : 664,218.83 = 277,330.06 : x
  2. Step 2: Convert to fraction form
    481,197.70/664,218.83 = 277,330.06/x
  3. Step 3: Cross multiply
    481,197.70x = 664,218.83 × 277,330.06
  4. Step 4: Simplify right side
    481,197.70x = 184,207,843,269.29
  5. Step 5: Solve for x
    x = 184,207,843,269.29/481,197.70
  6. Step 6: Final answer
    x = 382,811.15

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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.