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Finding the Fourth Proportional to 325,532.71, 487,905.40 and 167,675.05

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Solution

The fourth proportional to 325,532.71, 487,905.40 and 167,675.05 is: 251,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,532.71 : 487,905.40 = 167,675.05 : x
  2. Step 2: Convert to fraction form
    325,532.71/487,905.40 = 167,675.05/x
  3. Step 3: Cross multiply
    325,532.71x = 487,905.40 × 167,675.05
  4. Step 4: Simplify right side
    325,532.71x = 81,809,562,340.27
  5. Step 5: Solve for x
    x = 81,809,562,340.27/325,532.71
  6. Step 6: Final answer
    x = 251,309.81

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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.