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Finding the Fourth Proportional to 341,188.96, 511,840.68 and 104,474.56

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Solution

The fourth proportional to 341,188.96, 511,840.68 and 104,474.56 is: 156,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,188.96 : 511,840.68 = 104,474.56 : x
  2. Step 2: Convert to fraction form
    341,188.96/511,840.68 = 104,474.56/x
  3. Step 3: Cross multiply
    341,188.96x = 511,840.68 × 104,474.56
  4. Step 4: Simplify right side
    341,188.96x = 53,474,329,833.10
  5. Step 5: Solve for x
    x = 53,474,329,833.10/341,188.96
  6. Step 6: Final answer
    x = 156,729.37

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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.