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Finding the Fourth Proportional to 323,152.70, 445,968.39 and 179,909.60

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Solution

The fourth proportional to 323,152.70, 445,968.39 and 179,909.60 is: 248,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,152.70 : 445,968.39 = 179,909.60 : x
  2. Step 2: Convert to fraction form
    323,152.70/445,968.39 = 179,909.60/x
  3. Step 3: Cross multiply
    323,152.70x = 445,968.39 × 179,909.60
  4. Step 4: Simplify right side
    323,152.70x = 80,233,992,427.70
  5. Step 5: Solve for x
    x = 80,233,992,427.70/323,152.70
  6. Step 6: Final answer
    x = 248,285.08

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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.