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Finding the Fourth Proportional to 504,898.23, 696,735.28 and 275,441.84

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Solution

The fourth proportional to 504,898.23, 696,735.28 and 275,441.84 is: 380,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,898.23 : 696,735.28 = 275,441.84 : x
  2. Step 2: Convert to fraction form
    504,898.23/696,735.28 = 275,441.84/x
  3. Step 3: Cross multiply
    504,898.23x = 696,735.28 × 275,441.84
  4. Step 4: Simplify right side
    504,898.23x = 191,910,043,480.57
  5. Step 5: Solve for x
    x = 191,910,043,480.57/504,898.23
  6. Step 6: Final answer
    x = 380,096.48

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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.