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Finding the Fourth Proportional to 463,507.52, 639,640.34 and 251,539.52

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Solution

The fourth proportional to 463,507.52, 639,640.34 and 251,539.52 is: 347,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,507.52 : 639,640.34 = 251,539.52 : x
  2. Step 2: Convert to fraction form
    463,507.52/639,640.34 = 251,539.52/x
  3. Step 3: Cross multiply
    463,507.52x = 639,640.34 × 251,539.52
  4. Step 4: Simplify right side
    463,507.52x = 160,894,824,096.24
  5. Step 5: Solve for x
    x = 160,894,824,096.24/463,507.52
  6. Step 6: Final answer
    x = 347,124.52

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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.