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Finding the Fourth Proportional to 341,997.59, 471,891.72 and 214,615.78

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Solution

The fourth proportional to 341,997.59, 471,891.72 and 214,615.78 is: 296,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,997.59 : 471,891.72 = 214,615.78 : x
  2. Step 2: Convert to fraction form
    341,997.59/471,891.72 = 214,615.78/x
  3. Step 3: Cross multiply
    341,997.59x = 471,891.72 × 214,615.78
  4. Step 4: Simplify right side
    341,997.59x = 101,275,409,188.42
  5. Step 5: Solve for x
    x = 101,275,409,188.42/341,997.59
  6. Step 6: Final answer
    x = 296,129.01

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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.