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Finding the Fourth Proportional to 302,326.57, 453,209.86 and 133,757.47

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Solution

The fourth proportional to 302,326.57, 453,209.86 and 133,757.47 is: 200,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,326.57 : 453,209.86 = 133,757.47 : x
  2. Step 2: Convert to fraction form
    302,326.57/453,209.86 = 133,757.47/x
  3. Step 3: Cross multiply
    302,326.57x = 453,209.86 × 133,757.47
  4. Step 4: Simplify right side
    302,326.57x = 60,620,204,252.65
  5. Step 5: Solve for x
    x = 60,620,204,252.65/302,326.57
  6. Step 6: Final answer
    x = 200,512.33

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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.