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Finding the Fourth Proportional to 373,893,522.99, 515,974,662.77 and 204,351,185.37

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Solution

The fourth proportional to 373,893,522.99, 515,974,662.77 and 204,351,185.37 is: 282,005,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,893,522.99 : 515,974,662.77 = 204,351,185.37 : x
  2. Step 2: Convert to fraction form
    373,893,522.99/515,974,662.77 = 204,351,185.37/x
  3. Step 3: Cross multiply
    373,893,522.99x = 515,974,662.77 × 204,351,185.37
  4. Step 4: Simplify right side
    373,893,522.99x = 105,440,033,956,913,744
  5. Step 5: Solve for x
    x = 105,440,033,956,913,744/373,893,522.99
  6. Step 6: Final answer
    x = 282,005,510.86

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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.