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Finding the Fourth Proportional to 494,718.96, 682,713.90 and 268,366.08

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Solution

The fourth proportional to 494,718.96, 682,713.90 and 268,366.08 is: 370,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,718.96 : 682,713.90 = 268,366.08 : x
  2. Step 2: Convert to fraction form
    494,718.96/682,713.90 = 268,366.08/x
  3. Step 3: Cross multiply
    494,718.96x = 682,713.90 × 268,366.08
  4. Step 4: Simplify right side
    494,718.96x = 183,217,253,104.51
  5. Step 5: Solve for x
    x = 183,217,253,104.51/494,718.96
  6. Step 6: Final answer
    x = 370,346.13

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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.