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Finding the Fourth Proportional to 323,649.01, 446,679.35 and 196,304.05

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Solution

The fourth proportional to 323,649.01, 446,679.35 and 196,304.05 is: 270,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,649.01 : 446,679.35 = 196,304.05 : x
  2. Step 2: Convert to fraction form
    323,649.01/446,679.35 = 196,304.05/x
  3. Step 3: Cross multiply
    323,649.01x = 446,679.35 × 196,304.05
  4. Step 4: Simplify right side
    323,649.01x = 87,684,964,094.29
  5. Step 5: Solve for x
    x = 87,684,964,094.29/323,649.01
  6. Step 6: Final answer
    x = 270,926.10

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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.