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Finding the Fourth Proportional to 512,549.40, 768,744.90 and 175,512.60

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Solution

The fourth proportional to 512,549.40, 768,744.90 and 175,512.60 is: 263,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,549.40 : 768,744.90 = 175,512.60 : x
  2. Step 2: Convert to fraction form
    512,549.40/768,744.90 = 175,512.60/x
  3. Step 3: Cross multiply
    512,549.40x = 768,744.90 × 175,512.60
  4. Step 4: Simplify right side
    512,549.40x = 134,924,416,135.74
  5. Step 5: Solve for x
    x = 134,924,416,135.74/512,549.40
  6. Step 6: Final answer
    x = 263,241.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.