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Finding the Fourth Proportional to 326,878.89, 451,090.17 and 183,635.88

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Solution

The fourth proportional to 326,878.89, 451,090.17 and 183,635.88 is: 253,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,878.89 : 451,090.17 = 183,635.88 : x
  2. Step 2: Convert to fraction form
    326,878.89/451,090.17 = 183,635.88/x
  3. Step 3: Cross multiply
    326,878.89x = 451,090.17 × 183,635.88
  4. Step 4: Simplify right side
    326,878.89x = 82,836,340,327.30
  5. Step 5: Solve for x
    x = 82,836,340,327.30/326,878.89
  6. Step 6: Final answer
    x = 253,416.00

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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.