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Finding the Fourth Proportional to 468,247.99, 646,183.93 and 253,388.03

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Solution

The fourth proportional to 468,247.99, 646,183.93 and 253,388.03 is: 349,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,247.99 : 646,183.93 = 253,388.03 : x
  2. Step 2: Convert to fraction form
    468,247.99/646,183.93 = 253,388.03/x
  3. Step 3: Cross multiply
    468,247.99x = 646,183.93 × 253,388.03
  4. Step 4: Simplify right side
    468,247.99x = 163,735,274,022.35
  5. Step 5: Solve for x
    x = 163,735,274,022.35/468,247.99
  6. Step 6: Final answer
    x = 349,676.41

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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.