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Finding the Fourth Proportional to 301,164.80, 415,601.28 and 167,028.80

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Solution

The fourth proportional to 301,164.80, 415,601.28 and 167,028.80 is: 230,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,164.80 : 415,601.28 = 167,028.80 : x
  2. Step 2: Convert to fraction form
    301,164.80/415,601.28 = 167,028.80/x
  3. Step 3: Cross multiply
    301,164.80x = 415,601.28 × 167,028.80
  4. Step 4: Simplify right side
    301,164.80x = 69,417,383,076.86
  5. Step 5: Solve for x
    x = 69,417,383,076.86/301,164.80
  6. Step 6: Final answer
    x = 230,496.34

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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.