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Finding the Fourth Proportional to 361,619.36, 499,443.24 and 246,700.68

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Solution

The fourth proportional to 361,619.36, 499,443.24 and 246,700.68 is: 340,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,619.36 : 499,443.24 = 246,700.68 : x
  2. Step 2: Convert to fraction form
    361,619.36/499,443.24 = 246,700.68/x
  3. Step 3: Cross multiply
    361,619.36x = 499,443.24 × 246,700.68
  4. Step 4: Simplify right side
    361,619.36x = 123,212,986,929.40
  5. Step 5: Solve for x
    x = 123,212,986,929.40/361,619.36
  6. Step 6: Final answer
    x = 340,725.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.