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Finding the Fourth Proportional to 488,706.11, 674,432.68 and 273,838.22

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Solution

The fourth proportional to 488,706.11, 674,432.68 and 273,838.22 is: 377,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,706.11 : 674,432.68 = 273,838.22 : x
  2. Step 2: Convert to fraction form
    488,706.11/674,432.68 = 273,838.22/x
  3. Step 3: Cross multiply
    488,706.11x = 674,432.68 × 273,838.22
  4. Step 4: Simplify right side
    488,706.11x = 184,685,443,586.84
  5. Step 5: Solve for x
    x = 184,685,443,586.84/488,706.11
  6. Step 6: Final answer
    x = 377,906.97

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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.