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Finding the Fourth Proportional to 504,844.40, 696,687.26 and 275,406.57

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Solution

The fourth proportional to 504,844.40, 696,687.26 and 275,406.57 is: 380,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,844.40 : 696,687.26 = 275,406.57 : x
  2. Step 2: Convert to fraction form
    504,844.40/696,687.26 = 275,406.57/x
  3. Step 3: Cross multiply
    504,844.40x = 696,687.26 × 275,406.57
  4. Step 4: Simplify right side
    504,844.40x = 191,872,247,262.27
  5. Step 5: Solve for x
    x = 191,872,247,262.27/504,844.40
  6. Step 6: Final answer
    x = 380,062.15

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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.