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Finding the Fourth Proportional to 324,015.58, 485,967.36 and 146,481.34

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Solution

The fourth proportional to 324,015.58, 485,967.36 and 146,481.34 is: 219,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,015.58 : 485,967.36 = 146,481.34 : x
  2. Step 2: Convert to fraction form
    324,015.58/485,967.36 = 146,481.34/x
  3. Step 3: Cross multiply
    324,015.58x = 485,967.36 × 146,481.34
  4. Step 4: Simplify right side
    324,015.58x = 71,185,150,089.06
  5. Step 5: Solve for x
    x = 71,185,150,089.06/324,015.58
  6. Step 6: Final answer
    x = 219,696.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.