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Finding the Fourth Proportional to 504,804.20, 696,634.23 and 275,362.49

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Solution

The fourth proportional to 504,804.20, 696,634.23 and 275,362.49 is: 380,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,804.20 : 696,634.23 = 275,362.49 : x
  2. Step 2: Convert to fraction form
    504,804.20/696,634.23 = 275,362.49/x
  3. Step 3: Cross multiply
    504,804.20x = 696,634.23 × 275,362.49
  4. Step 4: Simplify right side
    504,804.20x = 191,826,932,708.86
  5. Step 5: Solve for x
    x = 191,826,932,708.86/504,804.20
  6. Step 6: Final answer
    x = 380,002.65

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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.