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Finding the Fourth Proportional to 499,481.40, 749,222.10 and 441,744.60

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Solution

The fourth proportional to 499,481.40, 749,222.10 and 441,744.60 is: 662,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,481.40 : 749,222.10 = 441,744.60 : x
  2. Step 2: Convert to fraction form
    499,481.40/749,222.10 = 441,744.60/x
  3. Step 3: Cross multiply
    499,481.40x = 749,222.10 × 441,744.60
  4. Step 4: Simplify right side
    499,481.40x = 330,964,816,875.66
  5. Step 5: Solve for x
    x = 330,964,816,875.66/499,481.40
  6. Step 6: Final answer
    x = 662,616.90

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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.