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Finding the Fourth Proportional to 488,299.07, 731,858.10 and 251,512.58

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Solution

The fourth proportional to 488,299.07, 731,858.10 and 251,512.58 is: 376,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,299.07 : 731,858.10 = 251,512.58 : x
  2. Step 2: Convert to fraction form
    488,299.07/731,858.10 = 251,512.58/x
  3. Step 3: Cross multiply
    488,299.07x = 731,858.10 × 251,512.58
  4. Step 4: Simplify right side
    488,299.07x = 184,071,515,265.61
  5. Step 5: Solve for x
    x = 184,071,515,265.61/488,299.07
  6. Step 6: Final answer
    x = 376,964.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.