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Finding the Fourth Proportional to 441,654.40, 662,492.40 and 161,171.56

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Solution

The fourth proportional to 441,654.40, 662,492.40 and 161,171.56 is: 241,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,654.40 : 662,492.40 = 161,171.56 : x
  2. Step 2: Convert to fraction form
    441,654.40/662,492.40 = 161,171.56/x
  3. Step 3: Cross multiply
    441,654.40x = 662,492.40 × 161,171.56
  4. Step 4: Simplify right side
    441,654.40x = 106,774,933,596.14
  5. Step 5: Solve for x
    x = 106,774,933,596.14/441,654.40
  6. Step 6: Final answer
    x = 241,761.28

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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.