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Finding the Fourth Proportional to 330,246.68, 455,747.73 and 185,063.27

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Solution

The fourth proportional to 330,246.68, 455,747.73 and 185,063.27 is: 255,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,246.68 : 455,747.73 = 185,063.27 : x
  2. Step 2: Convert to fraction form
    330,246.68/455,747.73 = 185,063.27/x
  3. Step 3: Cross multiply
    330,246.68x = 455,747.73 × 185,063.27
  4. Step 4: Simplify right side
    330,246.68x = 84,342,165,208.88
  5. Step 5: Solve for x
    x = 84,342,165,208.88/330,246.68
  6. Step 6: Final answer
    x = 255,391.41

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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.