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Finding the Fourth Proportional to 702,738.44, 1,054,104 and 170,259.56

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Solution

The fourth proportional to 702,738.44, 1,054,104 and 170,259.56 is: 255,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,738.44 : 1,054,104 = 170,259.56 : x
  2. Step 2: Convert to fraction form
    702,738.44/1,054,104 = 170,259.56/x
  3. Step 3: Cross multiply
    702,738.44x = 1,054,104 × 170,259.56
  4. Step 4: Simplify right side
    702,738.44x = 179,471,283,234.24
  5. Step 5: Solve for x
    x = 179,471,283,234.24/702,738.44
  6. Step 6: Final answer
    x = 255,388.45

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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.