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Finding the Fourth Proportional to 453,551.28, 679,540.44 and 275,684.88

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Solution

The fourth proportional to 453,551.28, 679,540.44 and 275,684.88 is: 413,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,551.28 : 679,540.44 = 275,684.88 : x
  2. Step 2: Convert to fraction form
    453,551.28/679,540.44 = 275,684.88/x
  3. Step 3: Cross multiply
    453,551.28x = 679,540.44 × 275,684.88
  4. Step 4: Simplify right side
    453,551.28x = 187,339,024,656.55
  5. Step 5: Solve for x
    x = 187,339,024,656.55/453,551.28
  6. Step 6: Final answer
    x = 413,049.27

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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.