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Finding the Fourth Proportional to 494,963.66, 682,696.96 and 454,258.96

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Solution

The fourth proportional to 494,963.66, 682,696.96 and 454,258.96 is: 626,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,963.66 : 682,696.96 = 454,258.96 : x
  2. Step 2: Convert to fraction form
    494,963.66/682,696.96 = 454,258.96/x
  3. Step 3: Cross multiply
    494,963.66x = 682,696.96 × 454,258.96
  4. Step 4: Simplify right side
    494,963.66x = 310,121,210,122.46
  5. Step 5: Solve for x
    x = 310,121,210,122.46/494,963.66
  6. Step 6: Final answer
    x = 626,553.49

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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.