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Finding the Fourth Proportional to 303,771.04, 419,206.80 and 176,452

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Solution

The fourth proportional to 303,771.04, 419,206.80 and 176,452 is: 243,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,771.04 : 419,206.80 = 176,452 : x
  2. Step 2: Convert to fraction form
    303,771.04/419,206.80 = 176,452/x
  3. Step 3: Cross multiply
    303,771.04x = 419,206.80 × 176,452
  4. Step 4: Simplify right side
    303,771.04x = 73,969,878,273.60
  5. Step 5: Solve for x
    x = 73,969,878,273.60/303,771.04
  6. Step 6: Final answer
    x = 243,505.37

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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.