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Finding the Fourth Proportional to 331,362.56, 496,296.12 and 153,495.92

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Solution

The fourth proportional to 331,362.56, 496,296.12 and 153,495.92 is: 229,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,362.56 : 496,296.12 = 153,495.92 : x
  2. Step 2: Convert to fraction form
    331,362.56/496,296.12 = 153,495.92/x
  3. Step 3: Cross multiply
    331,362.56x = 496,296.12 × 153,495.92
  4. Step 4: Simplify right side
    331,362.56x = 76,179,429,531.83
  5. Step 5: Solve for x
    x = 76,179,429,531.83/331,362.56
  6. Step 6: Final answer
    x = 229,897.52

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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.