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Finding the Fourth Proportional to 321,864.64, 444,070.56 and 185,880.68

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Solution

The fourth proportional to 321,864.64, 444,070.56 and 185,880.68 is: 256,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,864.64 : 444,070.56 = 185,880.68 : x
  2. Step 2: Convert to fraction form
    321,864.64/444,070.56 = 185,880.68/x
  3. Step 3: Cross multiply
    321,864.64x = 444,070.56 × 185,880.68
  4. Step 4: Simplify right side
    321,864.64x = 82,544,137,660.78
  5. Step 5: Solve for x
    x = 82,544,137,660.78/321,864.64
  6. Step 6: Final answer
    x = 256,456.06

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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.