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Finding the Fourth Proportional to 486,470.35, 729,705.48 and 246,546.88

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Solution

The fourth proportional to 486,470.35, 729,705.48 and 246,546.88 is: 369,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,470.35 : 729,705.48 = 246,546.88 : x
  2. Step 2: Convert to fraction form
    486,470.35/729,705.48 = 246,546.88/x
  3. Step 3: Cross multiply
    486,470.35x = 729,705.48 × 246,546.88
  4. Step 4: Simplify right side
    486,470.35x = 179,906,610,103.21
  5. Step 5: Solve for x
    x = 179,906,610,103.21/486,470.35
  6. Step 6: Final answer
    x = 369,820.30

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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.