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Finding the Fourth Proportional to 486,040.40, 729,060.60 and 336,449.60

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Solution

The fourth proportional to 486,040.40, 729,060.60 and 336,449.60 is: 504,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,040.40 : 729,060.60 = 336,449.60 : x
  2. Step 2: Convert to fraction form
    486,040.40/729,060.60 = 336,449.60/x
  3. Step 3: Cross multiply
    486,040.40x = 729,060.60 × 336,449.60
  4. Step 4: Simplify right side
    486,040.40x = 245,292,147,245.76
  5. Step 5: Solve for x
    x = 245,292,147,245.76/486,040.40
  6. Step 6: Final answer
    x = 504,674.40

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Similar ratio
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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.