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Finding the Fourth Proportional to 439,366.66, 606,217.28 and 248,375.94

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Solution

The fourth proportional to 439,366.66, 606,217.28 and 248,375.94 is: 342,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,366.66 : 606,217.28 = 248,375.94 : x
  2. Step 2: Convert to fraction form
    439,366.66/606,217.28 = 248,375.94/x
  3. Step 3: Cross multiply
    439,366.66x = 606,217.28 × 248,375.94
  4. Step 4: Simplify right side
    439,366.66x = 150,569,786,764.24
  5. Step 5: Solve for x
    x = 150,569,786,764.24/439,366.66
  6. Step 6: Final answer
    x = 342,697.34

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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.