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Finding the Fourth Proportional to 543,120.72, 814,575.60 and 273,176.88

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Solution

The fourth proportional to 543,120.72, 814,575.60 and 273,176.88 is: 409,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,120.72 : 814,575.60 = 273,176.88 : x
  2. Step 2: Convert to fraction form
    543,120.72/814,575.60 = 273,176.88/x
  3. Step 3: Cross multiply
    543,120.72x = 814,575.60 × 273,176.88
  4. Step 4: Simplify right side
    543,120.72x = 222,523,220,932.13
  5. Step 5: Solve for x
    x = 222,523,220,932.13/543,120.72
  6. Step 6: Final answer
    x = 409,712.27

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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.