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Finding the Fourth Proportional to 341,385.33, 511,914.30 and 161,320.88

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Solution

The fourth proportional to 341,385.33, 511,914.30 and 161,320.88 is: 241,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,385.33 : 511,914.30 = 161,320.88 : x
  2. Step 2: Convert to fraction form
    341,385.33/511,914.30 = 161,320.88/x
  3. Step 3: Cross multiply
    341,385.33x = 511,914.30 × 161,320.88
  4. Step 4: Simplify right side
    341,385.33x = 82,582,466,640.37
  5. Step 5: Solve for x
    x = 82,582,466,640.37/341,385.33
  6. Step 6: Final answer
    x = 241,903.97

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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.