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Finding the Fourth Proportional to 358,620.29, 494,896 and 197,474.96

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Solution

The fourth proportional to 358,620.29, 494,896 and 197,474.96 is: 272,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,620.29 : 494,896 = 197,474.96 : x
  2. Step 2: Convert to fraction form
    358,620.29/494,896 = 197,474.96/x
  3. Step 3: Cross multiply
    358,620.29x = 494,896 × 197,474.96
  4. Step 4: Simplify right side
    358,620.29x = 97,729,567,804.16
  5. Step 5: Solve for x
    x = 97,729,567,804.16/358,620.29
  6. Step 6: Final answer
    x = 272,515.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.