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Finding the Fourth Proportional to 463,497, 639,625.86 and 251,529

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Solution

The fourth proportional to 463,497, 639,625.86 and 251,529 is: 347,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,497 : 639,625.86 = 251,529 : x
  2. Step 2: Convert to fraction form
    463,497/639,625.86 = 251,529/x
  3. Step 3: Cross multiply
    463,497x = 639,625.86 × 251,529
  4. Step 4: Simplify right side
    463,497x = 160,884,452,939.94
  5. Step 5: Solve for x
    x = 160,884,452,939.94/463,497
  6. Step 6: Final answer
    x = 347,110.02

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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.