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Finding the Fourth Proportional to 491,093.28, 677,129.03 and 336,119.31

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Solution

The fourth proportional to 491,093.28, 677,129.03 and 336,119.31 is: 463,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,093.28 : 677,129.03 = 336,119.31 : x
  2. Step 2: Convert to fraction form
    491,093.28/677,129.03 = 336,119.31/x
  3. Step 3: Cross multiply
    491,093.28x = 677,129.03 × 336,119.31
  4. Step 4: Simplify right side
    491,093.28x = 227,596,141,444.88
  5. Step 5: Solve for x
    x = 227,596,141,444.88/491,093.28
  6. Step 6: Final answer
    x = 463,447.88

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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.