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Finding the Fourth Proportional to 504,887.72, 696,747 and 275,450.15

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Solution

The fourth proportional to 504,887.72, 696,747 and 275,450.15 is: 380,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,887.72 : 696,747 = 275,450.15 : x
  2. Step 2: Convert to fraction form
    504,887.72/696,747 = 275,450.15/x
  3. Step 3: Cross multiply
    504,887.72x = 696,747 × 275,450.15
  4. Step 4: Simplify right side
    504,887.72x = 191,919,065,662.05
  5. Step 5: Solve for x
    x = 191,919,065,662.05/504,887.72
  6. Step 6: Final answer
    x = 380,122.27

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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.