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Finding the Fourth Proportional to 488,824.84, 674,605.14 and 274,033.96

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Solution

The fourth proportional to 488,824.84, 674,605.14 and 274,033.96 is: 378,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,824.84 : 674,605.14 = 274,033.96 : x
  2. Step 2: Convert to fraction form
    488,824.84/674,605.14 = 274,033.96/x
  3. Step 3: Cross multiply
    488,824.84x = 674,605.14 × 274,033.96
  4. Step 4: Simplify right side
    488,824.84x = 184,864,717,950.55
  5. Step 5: Solve for x
    x = 184,864,717,950.55/488,824.84
  6. Step 6: Final answer
    x = 378,181.92

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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.