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Finding the Fourth Proportional to 449,067.40, 673,601.10 and 407,733.10

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Solution

The fourth proportional to 449,067.40, 673,601.10 and 407,733.10 is: 611,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,067.40 : 673,601.10 = 407,733.10 : x
  2. Step 2: Convert to fraction form
    449,067.40/673,601.10 = 407,733.10/x
  3. Step 3: Cross multiply
    449,067.40x = 673,601.10 × 407,733.10
  4. Step 4: Simplify right side
    449,067.40x = 274,649,464,666.41
  5. Step 5: Solve for x
    x = 274,649,464,666.41/449,067.40
  6. Step 6: Final answer
    x = 611,599.65

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Similar ratio
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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.