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Finding the Fourth Proportional to 344,556.56, 516,699.48 and 144,972.56

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Solution

The fourth proportional to 344,556.56, 516,699.48 and 144,972.56 is: 217,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,556.56 : 516,699.48 = 144,972.56 : x
  2. Step 2: Convert to fraction form
    344,556.56/516,699.48 = 144,972.56/x
  3. Step 3: Cross multiply
    344,556.56x = 516,699.48 × 144,972.56
  4. Step 4: Simplify right side
    344,556.56x = 74,907,246,366.27
  5. Step 5: Solve for x
    x = 74,907,246,366.27/344,556.56
  6. Step 6: Final answer
    x = 217,401.89

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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.