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Finding the Fourth Proportional to 541,408.40, 812,112.60 and 373,446.80

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Solution

The fourth proportional to 541,408.40, 812,112.60 and 373,446.80 is: 560,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,408.40 : 812,112.60 = 373,446.80 : x
  2. Step 2: Convert to fraction form
    541,408.40/812,112.60 = 373,446.80/x
  3. Step 3: Cross multiply
    541,408.40x = 812,112.60 × 373,446.80
  4. Step 4: Simplify right side
    541,408.40x = 303,280,851,709.68
  5. Step 5: Solve for x
    x = 303,280,851,709.68/541,408.40
  6. Step 6: Final answer
    x = 560,170.20

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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.