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Finding the Fourth Proportional to 468,668.82, 646,759.75 and 253,803.96

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Solution

The fourth proportional to 468,668.82, 646,759.75 and 253,803.96 is: 350,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,668.82 : 646,759.75 = 253,803.96 : x
  2. Step 2: Convert to fraction form
    468,668.82/646,759.75 = 253,803.96/x
  3. Step 3: Cross multiply
    468,668.82x = 646,759.75 × 253,803.96
  4. Step 4: Simplify right side
    468,668.82x = 164,150,187,509.45
  5. Step 5: Solve for x
    x = 164,150,187,509.45/468,668.82
  6. Step 6: Final answer
    x = 350,247.73

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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.