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Finding the Fourth Proportional to 504,894.06, 696,821.38 and 321,150.52

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Solution

The fourth proportional to 504,894.06, 696,821.38 and 321,150.52 is: 443,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,894.06 : 696,821.38 = 321,150.52 : x
  2. Step 2: Convert to fraction form
    504,894.06/696,821.38 = 321,150.52/x
  3. Step 3: Cross multiply
    504,894.06x = 696,821.38 × 321,150.52
  4. Step 4: Simplify right side
    504,894.06x = 223,784,550,408.74
  5. Step 5: Solve for x
    x = 223,784,550,408.74/504,894.06
  6. Step 6: Final answer
    x = 443,230.71

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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.