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Finding the Fourth Proportional to 492,804.41, 739,212.48 and 193,425.98

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Solution

The fourth proportional to 492,804.41, 739,212.48 and 193,425.98 is: 290,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,804.41 : 739,212.48 = 193,425.98 : x
  2. Step 2: Convert to fraction form
    492,804.41/739,212.48 = 193,425.98/x
  3. Step 3: Cross multiply
    492,804.41x = 739,212.48 × 193,425.98
  4. Step 4: Simplify right side
    492,804.41x = 142,982,894,676.17
  5. Step 5: Solve for x
    x = 142,982,894,676.17/492,804.41
  6. Step 6: Final answer
    x = 290,141.27

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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.