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Finding the Fourth Proportional to 323,889.71, 446,968.40 and 180,659.03

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Solution

The fourth proportional to 323,889.71, 446,968.40 and 180,659.03 is: 249,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,889.71 : 446,968.40 = 180,659.03 : x
  2. Step 2: Convert to fraction form
    323,889.71/446,968.40 = 180,659.03/x
  3. Step 3: Cross multiply
    323,889.71x = 446,968.40 × 180,659.03
  4. Step 4: Simplify right side
    323,889.71x = 80,748,874,446.51
  5. Step 5: Solve for x
    x = 80,748,874,446.51/323,889.71
  6. Step 6: Final answer
    x = 249,309.79

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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.