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Finding the Fourth Proportional to 444,593.56, 666,889.35 and 343,538.57

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Solution

The fourth proportional to 444,593.56, 666,889.35 and 343,538.57 is: 515,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,593.56 : 666,889.35 = 343,538.57 : x
  2. Step 2: Convert to fraction form
    444,593.56/666,889.35 = 343,538.57/x
  3. Step 3: Cross multiply
    444,593.56x = 666,889.35 × 343,538.57
  4. Step 4: Simplify right side
    444,593.56x = 229,102,212,207.34
  5. Step 5: Solve for x
    x = 229,102,212,207.34/444,593.56
  6. Step 6: Final answer
    x = 515,307.09

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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.