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Finding the Fourth Proportional to 302,245.80, 452,979.90 and 183,791.40

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Solution

The fourth proportional to 302,245.80, 452,979.90 and 183,791.40 is: 275,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,245.80 : 452,979.90 = 183,791.40 : x
  2. Step 2: Convert to fraction form
    302,245.80/452,979.90 = 183,791.40/x
  3. Step 3: Cross multiply
    302,245.80x = 452,979.90 × 183,791.40
  4. Step 4: Simplify right side
    302,245.80x = 83,253,809,992.86
  5. Step 5: Solve for x
    x = 83,253,809,992.86/302,245.80
  6. Step 6: Final answer
    x = 275,450.68

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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.