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Finding the Fourth Proportional to 323,286.04, 445,672.02 and 227,495.08

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Solution

The fourth proportional to 323,286.04, 445,672.02 and 227,495.08 is: 313,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,286.04 : 445,672.02 = 227,495.08 : x
  2. Step 2: Convert to fraction form
    323,286.04/445,672.02 = 227,495.08/x
  3. Step 3: Cross multiply
    323,286.04x = 445,672.02 × 227,495.08
  4. Step 4: Simplify right side
    323,286.04x = 101,388,191,843.66
  5. Step 5: Solve for x
    x = 101,388,191,843.66/323,286.04
  6. Step 6: Final answer
    x = 313,617.60

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1.5x scale

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.