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Finding the Fourth Proportional to 303,207.80, 453,936.90 and 185,109.80

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Solution

The fourth proportional to 303,207.80, 453,936.90 and 185,109.80 is: 277,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,207.80 : 453,936.90 = 185,109.80 : x
  2. Step 2: Convert to fraction form
    303,207.80/453,936.90 = 185,109.80/x
  3. Step 3: Cross multiply
    303,207.80x = 453,936.90 × 185,109.80
  4. Step 4: Simplify right side
    303,207.80x = 84,028,168,771.62
  5. Step 5: Solve for x
    x = 84,028,168,771.62/303,207.80
  6. Step 6: Final answer
    x = 277,130.63

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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.