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Finding the Fourth Proportional to 323,095.20, 445,866.60 and 179,855.04

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Solution

The fourth proportional to 323,095.20, 445,866.60 and 179,855.04 is: 248,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,095.20 : 445,866.60 = 179,855.04 : x
  2. Step 2: Convert to fraction form
    323,095.20/445,866.60 = 179,855.04/x
  3. Step 3: Cross multiply
    323,095.20x = 445,866.60 × 179,855.04
  4. Step 4: Simplify right side
    323,095.20x = 80,191,355,177.66
  5. Step 5: Solve for x
    x = 80,191,355,177.66/323,095.20
  6. Step 6: Final answer
    x = 248,197.30

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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.