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Finding the Fourth Proportional to 481,492.29, 664,435.33 and 277,530.84

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Solution

The fourth proportional to 481,492.29, 664,435.33 and 277,530.84 is: 382,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,492.29 : 664,435.33 = 277,530.84 : x
  2. Step 2: Convert to fraction form
    481,492.29/664,435.33 = 277,530.84/x
  3. Step 3: Cross multiply
    481,492.29x = 664,435.33 × 277,530.84
  4. Step 4: Simplify right side
    481,492.29x = 184,401,295,260.58
  5. Step 5: Solve for x
    x = 184,401,295,260.58/481,492.29
  6. Step 6: Final answer
    x = 382,978.71

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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.