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Finding the Fourth Proportional to 463,070.40, 694,168.20 and 273,676.20

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Solution

The fourth proportional to 463,070.40, 694,168.20 and 273,676.20 is: 410,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,070.40 : 694,168.20 = 273,676.20 : x
  2. Step 2: Convert to fraction form
    463,070.40/694,168.20 = 273,676.20/x
  3. Step 3: Cross multiply
    463,070.40x = 694,168.20 × 273,676.20
  4. Step 4: Simplify right side
    463,070.40x = 189,977,315,136.84
  5. Step 5: Solve for x
    x = 189,977,315,136.84/463,070.40
  6. Step 6: Final answer
    x = 410,255.80

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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.