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Finding the Fourth Proportional to 463,938.44, 640,213.62 and 262,735.88

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Solution

The fourth proportional to 463,938.44, 640,213.62 and 262,735.88 is: 362,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,938.44 : 640,213.62 = 262,735.88 : x
  2. Step 2: Convert to fraction form
    463,938.44/640,213.62 = 262,735.88/x
  3. Step 3: Cross multiply
    463,938.44x = 640,213.62 × 262,735.88
  4. Step 4: Simplify right side
    463,938.44x = 168,207,088,838.69
  5. Step 5: Solve for x
    x = 168,207,088,838.69/463,938.44
  6. Step 6: Final answer
    x = 362,563.38

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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.