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Finding the Fourth Proportional to 324,566.71, 486,800.80 and 114,155.44

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Solution

The fourth proportional to 324,566.71, 486,800.80 and 114,155.44 is: 171,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,566.71 : 486,800.80 = 114,155.44 : x
  2. Step 2: Convert to fraction form
    324,566.71/486,800.80 = 114,155.44/x
  3. Step 3: Cross multiply
    324,566.71x = 486,800.80 × 114,155.44
  4. Step 4: Simplify right side
    324,566.71x = 55,570,958,013.96
  5. Step 5: Solve for x
    x = 55,570,958,013.96/324,566.71
  6. Step 6: Final answer
    x = 171,215.83

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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.