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Finding the Fourth Proportional to 283,745.30, 425,423.55 and 134,057.30

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Solution

The fourth proportional to 283,745.30, 425,423.55 and 134,057.30 is: 200,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,745.30 : 425,423.55 = 134,057.30 : x
  2. Step 2: Convert to fraction form
    283,745.30/425,423.55 = 134,057.30/x
  3. Step 3: Cross multiply
    283,745.30x = 425,423.55 × 134,057.30
  4. Step 4: Simplify right side
    283,745.30x = 57,031,132,469.42
  5. Step 5: Solve for x
    x = 57,031,132,469.42/283,745.30
  6. Step 6: Final answer
    x = 200,994.10

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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.