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Finding the Fourth Proportional to 496,894.17, 685,959.78 and 344,049.54

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Solution

The fourth proportional to 496,894.17, 685,959.78 and 344,049.54 is: 474,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,894.17 : 685,959.78 = 344,049.54 : x
  2. Step 2: Convert to fraction form
    496,894.17/685,959.78 = 344,049.54/x
  3. Step 3: Cross multiply
    496,894.17x = 685,959.78 × 344,049.54
  4. Step 4: Simplify right side
    496,894.17x = 236,004,146,767.50
  5. Step 5: Solve for x
    x = 236,004,146,767.50/496,894.17
  6. Step 6: Final answer
    x = 474,958.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.