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Finding the Fourth Proportional to 504,558.42, 696,286.86 and 275,119.64

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Solution

The fourth proportional to 504,558.42, 696,286.86 and 275,119.64 is: 379,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,558.42 : 696,286.86 = 275,119.64 : x
  2. Step 2: Convert to fraction form
    504,558.42/696,286.86 = 275,119.64/x
  3. Step 3: Cross multiply
    504,558.42x = 696,286.86 × 275,119.64
  4. Step 4: Simplify right side
    504,558.42x = 191,562,190,259.93
  5. Step 5: Solve for x
    x = 191,562,190,259.93/504,558.42
  6. Step 6: Final answer
    x = 379,663.05

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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.