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Finding the Fourth Proportional to 481,782.12, 664,841.68 and 277,841.64

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Solution

The fourth proportional to 481,782.12, 664,841.68 and 277,841.64 is: 383,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,782.12 : 664,841.68 = 277,841.64 : x
  2. Step 2: Convert to fraction form
    481,782.12/664,841.68 = 277,841.64/x
  3. Step 3: Cross multiply
    481,782.12x = 664,841.68 × 277,841.64
  4. Step 4: Simplify right side
    481,782.12x = 184,720,702,711.56
  5. Step 5: Solve for x
    x = 184,720,702,711.56/481,782.12
  6. Step 6: Final answer
    x = 383,411.29

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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.