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Finding the Fourth Proportional to 449,151.40, 673,727.10 and 360,577.90

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Solution

The fourth proportional to 449,151.40, 673,727.10 and 360,577.90 is: 540,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,151.40 : 673,727.10 = 360,577.90 : x
  2. Step 2: Convert to fraction form
    449,151.40/673,727.10 = 360,577.90/x
  3. Step 3: Cross multiply
    449,151.40x = 673,727.10 × 360,577.90
  4. Step 4: Simplify right side
    449,151.40x = 242,931,102,891.09
  5. Step 5: Solve for x
    x = 242,931,102,891.09/449,151.40
  6. Step 6: Final answer
    x = 540,866.85

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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.