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Finding the Fourth Proportional to 315,579.56, 473,604.44 and 231,556.84

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Solution

The fourth proportional to 315,579.56, 473,604.44 and 231,556.84 is: 347,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,579.56 : 473,604.44 = 231,556.84 : x
  2. Step 2: Convert to fraction form
    315,579.56/473,604.44 = 231,556.84/x
  3. Step 3: Cross multiply
    315,579.56x = 473,604.44 × 231,556.84
  4. Step 4: Simplify right side
    315,579.56x = 109,666,347,536.37
  5. Step 5: Solve for x
    x = 109,666,347,536.37/315,579.56
  6. Step 6: Final answer
    x = 347,507.76

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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.