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Finding the Fourth Proportional to 449,234.40, 673,851.60 and 360,660.90

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Solution

The fourth proportional to 449,234.40, 673,851.60 and 360,660.90 is: 540,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,234.40 : 673,851.60 = 360,660.90 : x
  2. Step 2: Convert to fraction form
    449,234.40/673,851.60 = 360,660.90/x
  3. Step 3: Cross multiply
    449,234.40x = 673,851.60 × 360,660.90
  4. Step 4: Simplify right side
    449,234.40x = 243,031,924,522.44
  5. Step 5: Solve for x
    x = 243,031,924,522.44/449,234.40
  6. Step 6: Final answer
    x = 540,991.35

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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.