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Finding the Fourth Proportional to 332,879.29, 498,526.34 and 212,563.56

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Solution

The fourth proportional to 332,879.29, 498,526.34 and 212,563.56 is: 318,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,879.29 : 498,526.34 = 212,563.56 : x
  2. Step 2: Convert to fraction form
    332,879.29/498,526.34 = 212,563.56/x
  3. Step 3: Cross multiply
    332,879.29x = 498,526.34 × 212,563.56
  4. Step 4: Simplify right side
    332,879.29x = 105,968,533,584.17
  5. Step 5: Solve for x
    x = 105,968,533,584.17/332,879.29
  6. Step 6: Final answer
    x = 318,339.22

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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.