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Finding the Fourth Proportional to 499,450.02, 689,243.31 and 273,095.34

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Solution

The fourth proportional to 499,450.02, 689,243.31 and 273,095.34 is: 376,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,450.02 : 689,243.31 = 273,095.34 : x
  2. Step 2: Convert to fraction form
    499,450.02/689,243.31 = 273,095.34/x
  3. Step 3: Cross multiply
    499,450.02x = 689,243.31 × 273,095.34
  4. Step 4: Simplify right side
    499,450.02x = 188,229,136,087.18
  5. Step 5: Solve for x
    x = 188,229,136,087.18/499,450.02
  6. Step 6: Final answer
    x = 376,872.82

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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.