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Finding the Fourth Proportional to 494,798.24, 682,818.72 and 268,438.88

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Solution

The fourth proportional to 494,798.24, 682,818.72 and 268,438.88 is: 370,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,798.24 : 682,818.72 = 268,438.88 : x
  2. Step 2: Convert to fraction form
    494,798.24/682,818.72 = 268,438.88/x
  3. Step 3: Cross multiply
    494,798.24x = 682,818.72 × 268,438.88
  4. Step 4: Simplify right side
    494,798.24x = 183,295,092,439.83
  5. Step 5: Solve for x
    x = 183,295,092,439.83/494,798.24
  6. Step 6: Final answer
    x = 370,444.11

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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.