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Finding the Fourth Proportional to 481,842.58, 665,013.56 and 277,853.64

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Solution

The fourth proportional to 481,842.58, 665,013.56 and 277,853.64 is: 383,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,842.58 : 665,013.56 = 277,853.64 : x
  2. Step 2: Convert to fraction form
    481,842.58/665,013.56 = 277,853.64/x
  3. Step 3: Cross multiply
    481,842.58x = 665,013.56 × 277,853.64
  4. Step 4: Simplify right side
    481,842.58x = 184,776,438,295.36
  5. Step 5: Solve for x
    x = 184,776,438,295.36/481,842.58
  6. Step 6: Final answer
    x = 383,478.85

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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.