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Finding the Fourth Proportional to 335,055.45, 501,861.45 and 157,296.09

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Solution

The fourth proportional to 335,055.45, 501,861.45 and 157,296.09 is: 235,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,055.45 : 501,861.45 = 157,296.09 : x
  2. Step 2: Convert to fraction form
    335,055.45/501,861.45 = 157,296.09/x
  3. Step 3: Cross multiply
    335,055.45x = 501,861.45 × 157,296.09
  4. Step 4: Simplify right side
    335,055.45x = 78,940,843,806.73
  5. Step 5: Solve for x
    x = 78,940,843,806.73/335,055.45
  6. Step 6: Final answer
    x = 235,605.31

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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.