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Finding the Fourth Proportional to 324,056.10, 485,428.05 and 183,650.70

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Solution

The fourth proportional to 324,056.10, 485,428.05 and 183,650.70 is: 275,104.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,056.10 : 485,428.05 = 183,650.70 : x
  2. Step 2: Convert to fraction form
    324,056.10/485,428.05 = 183,650.70/x
  3. Step 3: Cross multiply
    324,056.10x = 485,428.05 × 183,650.70
  4. Step 4: Simplify right side
    324,056.10x = 89,149,201,182.14
  5. Step 5: Solve for x
    x = 89,149,201,182.14/324,056.10
  6. Step 6: Final answer
    x = 275,104.22

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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.