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Finding the Fourth Proportional to 300,799.56, 415,103.46 and 179,945.88

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Solution

The fourth proportional to 300,799.56, 415,103.46 and 179,945.88 is: 248,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,799.56 : 415,103.46 = 179,945.88 : x
  2. Step 2: Convert to fraction form
    300,799.56/415,103.46 = 179,945.88/x
  3. Step 3: Cross multiply
    300,799.56x = 415,103.46 × 179,945.88
  4. Step 4: Simplify right side
    300,799.56x = 74,696,157,400.74
  5. Step 5: Solve for x
    x = 74,696,157,400.74/300,799.56
  6. Step 6: Final answer
    x = 248,325.35

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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.