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Finding the Fourth Proportional to 561,676.80, 842,518.80 and 224,745.60

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Solution

The fourth proportional to 561,676.80, 842,518.80 and 224,745.60 is: 337,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,676.80 : 842,518.80 = 224,745.60 : x
  2. Step 2: Convert to fraction form
    561,676.80/842,518.80 = 224,745.60/x
  3. Step 3: Cross multiply
    561,676.80x = 842,518.80 × 224,745.60
  4. Step 4: Simplify right side
    561,676.80x = 189,352,393,217.28
  5. Step 5: Solve for x
    x = 189,352,393,217.28/561,676.80
  6. Step 6: Final answer
    x = 337,119.84

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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.