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Finding the Fourth Proportional to 275,953.80, 413,930.70 and 223,465.80

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Solution

The fourth proportional to 275,953.80, 413,930.70 and 223,465.80 is: 335,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,953.80 : 413,930.70 = 223,465.80 : x
  2. Step 2: Convert to fraction form
    275,953.80/413,930.70 = 223,465.80/x
  3. Step 3: Cross multiply
    275,953.80x = 413,930.70 × 223,465.80
  4. Step 4: Simplify right side
    275,953.80x = 92,499,355,020.06
  5. Step 5: Solve for x
    x = 92,499,355,020.06/275,953.80
  6. Step 6: Final answer
    x = 335,198.70

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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.