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Finding the Fourth Proportional to 262,270.80, 393,503.40 and 252,550.80

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Solution

The fourth proportional to 262,270.80, 393,503.40 and 252,550.80 is: 378,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,270.80 : 393,503.40 = 252,550.80 : x
  2. Step 2: Convert to fraction form
    262,270.80/393,503.40 = 252,550.80/x
  3. Step 3: Cross multiply
    262,270.80x = 393,503.40 × 252,550.80
  4. Step 4: Simplify right side
    262,270.80x = 99,379,598,472.72
  5. Step 5: Solve for x
    x = 99,379,598,472.72/262,270.80
  6. Step 6: Final answer
    x = 378,919.80

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1.5x scale

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.