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Finding the Fourth Proportional to 329,616, 494,399.16 and 104,967.36

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Solution

The fourth proportional to 329,616, 494,399.16 and 104,967.36 is: 157,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,616 : 494,399.16 = 104,967.36 : x
  2. Step 2: Convert to fraction form
    329,616/494,399.16 = 104,967.36/x
  3. Step 3: Cross multiply
    329,616x = 494,399.16 × 104,967.36
  4. Step 4: Simplify right side
    329,616x = 51,895,774,611.42
  5. Step 5: Solve for x
    x = 51,895,774,611.42/329,616
  6. Step 6: Final answer
    x = 157,443.13

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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.