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Finding the Fourth Proportional to 300,768.35, 415,125.27 and 179,936.60

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Solution

The fourth proportional to 300,768.35, 415,125.27 and 179,936.60 is: 248,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,768.35 : 415,125.27 = 179,936.60 : x
  2. Step 2: Convert to fraction form
    300,768.35/415,125.27 = 179,936.60/x
  3. Step 3: Cross multiply
    300,768.35x = 415,125.27 × 179,936.60
  4. Step 4: Simplify right side
    300,768.35x = 74,696,227,582.26
  5. Step 5: Solve for x
    x = 74,696,227,582.26/300,768.35
  6. Step 6: Final answer
    x = 248,351.36

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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.