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Finding the Fourth Proportional to 336,529.64, 504,889.83 and 136,993.22

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Solution

The fourth proportional to 336,529.64, 504,889.83 and 136,993.22 is: 205,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,529.64 : 504,889.83 = 136,993.22 : x
  2. Step 2: Convert to fraction form
    336,529.64/504,889.83 = 136,993.22/x
  3. Step 3: Cross multiply
    336,529.64x = 504,889.83 × 136,993.22
  4. Step 4: Simplify right side
    336,529.64x = 69,166,483,556.95
  5. Step 5: Solve for x
    x = 69,166,483,556.95/336,529.64
  6. Step 6: Final answer
    x = 205,528.65

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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.