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Finding the Fourth Proportional to 488,299.82, 731,859.23 and 251,513.33

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Solution

The fourth proportional to 488,299.82, 731,859.23 and 251,513.33 is: 376,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,299.82 : 731,859.23 = 251,513.33 : x
  2. Step 2: Convert to fraction form
    488,299.82/731,859.23 = 251,513.33/x
  3. Step 3: Cross multiply
    488,299.82x = 731,859.23 × 251,513.33
  4. Step 4: Simplify right side
    488,299.82x = 184,072,347,111.67
  5. Step 5: Solve for x
    x = 184,072,347,111.67/488,299.82
  6. Step 6: Final answer
    x = 376,965.83

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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.