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Finding the Fourth Proportional to 449,200.40, 673,800.60 and 322,573.10

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Solution

The fourth proportional to 449,200.40, 673,800.60 and 322,573.10 is: 483,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,200.40 : 673,800.60 = 322,573.10 : x
  2. Step 2: Convert to fraction form
    449,200.40/673,800.60 = 322,573.10/x
  3. Step 3: Cross multiply
    449,200.40x = 673,800.60 × 322,573.10
  4. Step 4: Simplify right side
    449,200.40x = 217,349,948,323.86
  5. Step 5: Solve for x
    x = 217,349,948,323.86/449,200.40
  6. Step 6: Final answer
    x = 483,859.65

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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.