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Finding the Fourth Proportional to 275,416.20, 413,124.30 and 273,666.60

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Solution

The fourth proportional to 275,416.20, 413,124.30 and 273,666.60 is: 410,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,416.20 : 413,124.30 = 273,666.60 : x
  2. Step 2: Convert to fraction form
    275,416.20/413,124.30 = 273,666.60/x
  3. Step 3: Cross multiply
    275,416.20x = 413,124.30 × 273,666.60
  4. Step 4: Simplify right side
    275,416.20x = 113,058,322,558.38
  5. Step 5: Solve for x
    x = 113,058,322,558.38/275,416.20
  6. Step 6: Final answer
    x = 410,499.90

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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.