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Finding the Fourth Proportional to 323,179.09, 445,970.04 and 185,350.90

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Solution

The fourth proportional to 323,179.09, 445,970.04 and 185,350.90 is: 255,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,179.09 : 445,970.04 = 185,350.90 : x
  2. Step 2: Convert to fraction form
    323,179.09/445,970.04 = 185,350.90/x
  3. Step 3: Cross multiply
    323,179.09x = 445,970.04 × 185,350.90
  4. Step 4: Simplify right side
    323,179.09x = 82,660,948,287.04
  5. Step 5: Solve for x
    x = 82,660,948,287.04/323,179.09
  6. Step 6: Final answer
    x = 255,774.43

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1.5x scale

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.