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Finding the Fourth Proportional to 303,771.80, 454,782.90 and 185,673.80

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Solution

The fourth proportional to 303,771.80, 454,782.90 and 185,673.80 is: 277,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,771.80 : 454,782.90 = 185,673.80 : x
  2. Step 2: Convert to fraction form
    303,771.80/454,782.90 = 185,673.80/x
  3. Step 3: Cross multiply
    303,771.80x = 454,782.90 × 185,673.80
  4. Step 4: Simplify right side
    303,771.80x = 84,441,269,218.02
  5. Step 5: Solve for x
    x = 84,441,269,218.02/303,771.80
  6. Step 6: Final answer
    x = 277,976.00

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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.