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Finding the Fourth Proportional to 491,340.52, 677,809.38 and 300,022.84

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Solution

The fourth proportional to 491,340.52, 677,809.38 and 300,022.84 is: 413,884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,340.52 : 677,809.38 = 300,022.84 : x
  2. Step 2: Convert to fraction form
    491,340.52/677,809.38 = 300,022.84/x
  3. Step 3: Cross multiply
    491,340.52x = 677,809.38 × 300,022.84
  4. Step 4: Simplify right side
    491,340.52x = 203,358,295,166.24
  5. Step 5: Solve for x
    x = 203,358,295,166.24/491,340.52
  6. Step 6: Final answer
    x = 413,884.64

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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.