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Finding the Fourth Proportional to 645,992.94, 969,053.92 and 246,969.38

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Solution

The fourth proportional to 645,992.94, 969,053.92 and 246,969.38 is: 370,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,992.94 : 969,053.92 = 246,969.38 : x
  2. Step 2: Convert to fraction form
    645,992.94/969,053.92 = 246,969.38/x
  3. Step 3: Cross multiply
    645,992.94x = 969,053.92 × 246,969.38
  4. Step 4: Simplify right side
    645,992.94x = 239,326,645,808.97
  5. Step 5: Solve for x
    x = 239,326,645,808.97/645,992.94
  6. Step 6: Final answer
    x = 370,478.73

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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.