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Finding the Fourth Proportional to 264,912, 397,368.96 and 251,623.68

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Solution

The fourth proportional to 264,912, 397,368.96 and 251,623.68 is: 377,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,912 : 397,368.96 = 251,623.68 : x
  2. Step 2: Convert to fraction form
    264,912/397,368.96 = 251,623.68/x
  3. Step 3: Cross multiply
    264,912x = 397,368.96 × 251,623.68
  4. Step 4: Simplify right side
    264,912x = 99,987,440,032.97
  5. Step 5: Solve for x
    x = 99,987,440,032.97/264,912
  6. Step 6: Final answer
    x = 377,436.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.