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Finding the Fourth Proportional to 504,843.27, 696,685.70 and 275,405.44

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Solution

The fourth proportional to 504,843.27, 696,685.70 and 275,405.44 is: 380,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,843.27 : 696,685.70 = 275,405.44 : x
  2. Step 2: Convert to fraction form
    504,843.27/696,685.70 = 275,405.44/x
  3. Step 3: Cross multiply
    504,843.27x = 696,685.70 × 275,405.44
  4. Step 4: Simplify right side
    504,843.27x = 191,871,030,697.01
  5. Step 5: Solve for x
    x = 191,871,030,697.01/504,843.27
  6. Step 6: Final answer
    x = 380,060.59

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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.