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Finding the Fourth Proportional to 450,144.88, 674,467.64 and 316,744.88

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Solution

The fourth proportional to 450,144.88, 674,467.64 and 316,744.88 is: 474,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,144.88 : 674,467.64 = 316,744.88 : x
  2. Step 2: Convert to fraction form
    450,144.88/674,467.64 = 316,744.88/x
  3. Step 3: Cross multiply
    450,144.88x = 674,467.64 × 316,744.88
  4. Step 4: Simplify right side
    450,144.88x = 213,634,171,695.68
  5. Step 5: Solve for x
    x = 213,634,171,695.68/450,144.88
  6. Step 6: Final answer
    x = 474,589.81

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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.