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Finding the Fourth Proportional to 329,553.34, 494,323.12 and 104,929.26

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Solution

The fourth proportional to 329,553.34, 494,323.12 and 104,929.26 is: 157,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,553.34 : 494,323.12 = 104,929.26 : x
  2. Step 2: Convert to fraction form
    329,553.34/494,323.12 = 104,929.26/x
  3. Step 3: Cross multiply
    329,553.34x = 494,323.12 × 104,929.26
  4. Step 4: Simplify right side
    329,553.34x = 51,868,959,182.49
  5. Step 5: Solve for x
    x = 51,868,959,182.49/329,553.34
  6. Step 6: Final answer
    x = 157,391.70

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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.