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Finding the Fourth Proportional to 324,051.10, 485,420.55 and 183,645.70

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Solution

The fourth proportional to 324,051.10, 485,420.55 and 183,645.70 is: 275,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,051.10 : 485,420.55 = 183,645.70 : x
  2. Step 2: Convert to fraction form
    324,051.10/485,420.55 = 183,645.70/x
  3. Step 3: Cross multiply
    324,051.10x = 485,420.55 × 183,645.70
  4. Step 4: Simplify right side
    324,051.10x = 89,145,396,699.14
  5. Step 5: Solve for x
    x = 89,145,396,699.14/324,051.10
  6. Step 6: Final answer
    x = 275,096.73

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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.