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Finding the Fourth Proportional to 451,371.56, 622,877.46 and 260,380.04

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Solution

The fourth proportional to 451,371.56, 622,877.46 and 260,380.04 is: 359,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,371.56 : 622,877.46 = 260,380.04 : x
  2. Step 2: Convert to fraction form
    451,371.56/622,877.46 = 260,380.04/x
  3. Step 3: Cross multiply
    451,371.56x = 622,877.46 × 260,380.04
  4. Step 4: Simplify right side
    451,371.56x = 162,184,857,949.90
  5. Step 5: Solve for x
    x = 162,184,857,949.90/451,371.56
  6. Step 6: Final answer
    x = 359,315.63

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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.