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Finding the Fourth Proportional to 324,181.80, 486,051.30 and 146,592

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Solution

The fourth proportional to 324,181.80, 486,051.30 and 146,592 is: 219,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,181.80 : 486,051.30 = 146,592 : x
  2. Step 2: Convert to fraction form
    324,181.80/486,051.30 = 146,592/x
  3. Step 3: Cross multiply
    324,181.80x = 486,051.30 × 146,592
  4. Step 4: Simplify right side
    324,181.80x = 71,251,232,169.60
  5. Step 5: Solve for x
    x = 71,251,232,169.60/324,181.80
  6. Step 6: Final answer
    x = 219,787.88

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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.