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Finding the Fourth Proportional to 533,531.40, 800,297.10 and 449,550.60

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Solution

The fourth proportional to 533,531.40, 800,297.10 and 449,550.60 is: 674,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,531.40 : 800,297.10 = 449,550.60 : x
  2. Step 2: Convert to fraction form
    533,531.40/800,297.10 = 449,550.60/x
  3. Step 3: Cross multiply
    533,531.40x = 800,297.10 × 449,550.60
  4. Step 4: Simplify right side
    533,531.40x = 359,774,041,483.26
  5. Step 5: Solve for x
    x = 359,774,041,483.26/533,531.40
  6. Step 6: Final answer
    x = 674,325.90

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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.