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Finding the Fourth Proportional to 432,080.80, 647,246.40 and 244,873.60

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Solution

The fourth proportional to 432,080.80, 647,246.40 and 244,873.60 is: 366,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,080.80 : 647,246.40 = 244,873.60 : x
  2. Step 2: Convert to fraction form
    432,080.80/647,246.40 = 244,873.60/x
  3. Step 3: Cross multiply
    432,080.80x = 647,246.40 × 244,873.60
  4. Step 4: Simplify right side
    432,080.80x = 158,493,556,055.04
  5. Step 5: Solve for x
    x = 158,493,556,055.04/432,080.80
  6. Step 6: Final answer
    x = 366,814.62

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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.