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Finding the Fourth Proportional to 341,189.82, 511,784.73 and 331,858.62

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Solution

The fourth proportional to 341,189.82, 511,784.73 and 331,858.62 is: 497,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,189.82 : 511,784.73 = 331,858.62 : x
  2. Step 2: Convert to fraction form
    341,189.82/511,784.73 = 331,858.62/x
  3. Step 3: Cross multiply
    341,189.82x = 511,784.73 × 331,858.62
  4. Step 4: Simplify right side
    341,189.82x = 169,840,174,234.87
  5. Step 5: Solve for x
    x = 169,840,174,234.87/341,189.82
  6. Step 6: Final answer
    x = 497,787.93

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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.