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Finding the Fourth Proportional to 481,798.08, 664,974.48 and 277,980.72

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Solution

The fourth proportional to 481,798.08, 664,974.48 and 277,980.72 is: 383,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,798.08 : 664,974.48 = 277,980.72 : x
  2. Step 2: Convert to fraction form
    481,798.08/664,974.48 = 277,980.72/x
  3. Step 3: Cross multiply
    481,798.08x = 664,974.48 × 277,980.72
  4. Step 4: Simplify right side
    481,798.08x = 184,850,084,732.03
  5. Step 5: Solve for x
    x = 184,850,084,732.03/481,798.08
  6. Step 6: Final answer
    x = 383,667.13

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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.