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Finding the Fourth Proportional to 494,060.94, 681,805.35 and 276,277.32

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Solution

The fourth proportional to 494,060.94, 681,805.35 and 276,277.32 is: 381,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,060.94 : 681,805.35 = 276,277.32 : x
  2. Step 2: Convert to fraction form
    494,060.94/681,805.35 = 276,277.32/x
  3. Step 3: Cross multiply
    494,060.94x = 681,805.35 × 276,277.32
  4. Step 4: Simplify right side
    494,060.94x = 188,367,354,859.66
  5. Step 5: Solve for x
    x = 188,367,354,859.66/494,060.94
  6. Step 6: Final answer
    x = 381,263.40

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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.