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Finding the Fourth Proportional to 494,961, 683,046.63 and 268,606.50

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Solution

The fourth proportional to 494,961, 683,046.63 and 268,606.50 is: 370,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,961 : 683,046.63 = 268,606.50 : x
  2. Step 2: Convert to fraction form
    494,961/683,046.63 = 268,606.50/x
  3. Step 3: Cross multiply
    494,961x = 683,046.63 × 268,606.50
  4. Step 4: Simplify right side
    494,961x = 183,470,764,621.10
  5. Step 5: Solve for x
    x = 183,470,764,621.10/494,961
  6. Step 6: Final answer
    x = 370,677.21

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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.