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Finding the Fourth Proportional to 336,231.10, 505,330.80 and 330,326.20

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Solution

The fourth proportional to 336,231.10, 505,330.80 and 330,326.20 is: 496,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,231.10 : 505,330.80 = 330,326.20 : x
  2. Step 2: Convert to fraction form
    336,231.10/505,330.80 = 330,326.20/x
  3. Step 3: Cross multiply
    336,231.10x = 505,330.80 × 330,326.20
  4. Step 4: Simplify right side
    336,231.10x = 166,924,002,906.96
  5. Step 5: Solve for x
    x = 166,924,002,906.96/336,231.10
  6. Step 6: Final answer
    x = 496,456.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.