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Finding the Fourth Proportional to 324,615.70, 447,967.11 and 181,374.22

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Solution

The fourth proportional to 324,615.70, 447,967.11 and 181,374.22 is: 250,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,615.70 : 447,967.11 = 181,374.22 : x
  2. Step 2: Convert to fraction form
    324,615.70/447,967.11 = 181,374.22/x
  3. Step 3: Cross multiply
    324,615.70x = 447,967.11 × 181,374.22
  4. Step 4: Simplify right side
    324,615.70x = 81,249,685,161.90
  5. Step 5: Solve for x
    x = 81,249,685,161.90/324,615.70
  6. Step 6: Final answer
    x = 250,295.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.