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Finding the Fourth Proportional to 295,753.80, 443,630.70 and 177,558.60

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Solution

The fourth proportional to 295,753.80, 443,630.70 and 177,558.60 is: 266,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,753.80 : 443,630.70 = 177,558.60 : x
  2. Step 2: Convert to fraction form
    295,753.80/443,630.70 = 177,558.60/x
  3. Step 3: Cross multiply
    295,753.80x = 443,630.70 × 177,558.60
  4. Step 4: Simplify right side
    295,753.80x = 78,770,446,009.02
  5. Step 5: Solve for x
    x = 78,770,446,009.02/295,753.80
  6. Step 6: Final answer
    x = 266,337.90

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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.