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Finding the Fourth Proportional to 329,889.57, 455,220.37 and 193,929.24

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Solution

The fourth proportional to 329,889.57, 455,220.37 and 193,929.24 is: 267,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,889.57 : 455,220.37 = 193,929.24 : x
  2. Step 2: Convert to fraction form
    329,889.57/455,220.37 = 193,929.24/x
  3. Step 3: Cross multiply
    329,889.57x = 455,220.37 × 193,929.24
  4. Step 4: Simplify right side
    329,889.57x = 88,280,540,386.62
  5. Step 5: Solve for x
    x = 88,280,540,386.62/329,889.57
  6. Step 6: Final answer
    x = 267,606.34

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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.