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Finding the Fourth Proportional to 561,546.40, 842,319.60 and 224,748.40

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Solution

The fourth proportional to 561,546.40, 842,319.60 and 224,748.40 is: 337,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,546.40 : 842,319.60 = 224,748.40 : x
  2. Step 2: Convert to fraction form
    561,546.40/842,319.60 = 224,748.40/x
  3. Step 3: Cross multiply
    561,546.40x = 842,319.60 × 224,748.40
  4. Step 4: Simplify right side
    561,546.40x = 189,309,982,388.64
  5. Step 5: Solve for x
    x = 189,309,982,388.64/561,546.40
  6. Step 6: Final answer
    x = 337,122.60

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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.