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Finding the Fourth Proportional to 357,476.36, 493,361.15 and 206,573.36

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Solution

The fourth proportional to 357,476.36, 493,361.15 and 206,573.36 is: 285,096.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,476.36 : 493,361.15 = 206,573.36 : x
  2. Step 2: Convert to fraction form
    357,476.36/493,361.15 = 206,573.36/x
  3. Step 3: Cross multiply
    357,476.36x = 493,361.15 × 206,573.36
  4. Step 4: Simplify right side
    357,476.36x = 101,915,266,949.29
  5. Step 5: Solve for x
    x = 101,915,266,949.29/357,476.36
  6. Step 6: Final answer
    x = 285,096.53

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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.