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Finding the Fourth Proportional to 481,245.58, 663,956.22 and 277,291.23

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Solution

The fourth proportional to 481,245.58, 663,956.22 and 277,291.23 is: 382,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,245.58 : 663,956.22 = 277,291.23 : x
  2. Step 2: Convert to fraction form
    481,245.58/663,956.22 = 277,291.23/x
  3. Step 3: Cross multiply
    481,245.58x = 663,956.22 × 277,291.23
  4. Step 4: Simplify right side
    481,245.58x = 184,109,236,909.95
  5. Step 5: Solve for x
    x = 184,109,236,909.95/481,245.58
  6. Step 6: Final answer
    x = 382,568.16

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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.