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Finding the Fourth Proportional to 326,698.43, 450,843.87 and 183,458.57

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Solution

The fourth proportional to 326,698.43, 450,843.87 and 183,458.57 is: 253,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,698.43 : 450,843.87 = 183,458.57 : x
  2. Step 2: Convert to fraction form
    326,698.43/450,843.87 = 183,458.57/x
  3. Step 3: Cross multiply
    326,698.43x = 450,843.87 × 183,458.57
  4. Step 4: Simplify right side
    326,698.43x = 82,711,171,683.47
  5. Step 5: Solve for x
    x = 82,711,171,683.47/326,698.43
  6. Step 6: Final answer
    x = 253,172.85

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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.