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Finding the Fourth Proportional to 331,362.06, 496,295.37 and 153,495.42

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Solution

The fourth proportional to 331,362.06, 496,295.37 and 153,495.42 is: 229,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,362.06 : 496,295.37 = 153,495.42 : x
  2. Step 2: Convert to fraction form
    331,362.06/496,295.37 = 153,495.42/x
  3. Step 3: Cross multiply
    331,362.06x = 496,295.37 × 153,495.42
  4. Step 4: Simplify right side
    331,362.06x = 76,179,066,262.21
  5. Step 5: Solve for x
    x = 76,179,066,262.21/331,362.06
  6. Step 6: Final answer
    x = 229,896.77

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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.