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Finding the Fourth Proportional to 326,078.22, 449,987.54 and 180,906.03

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Solution

The fourth proportional to 326,078.22, 449,987.54 and 180,906.03 is: 249,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,078.22 : 449,987.54 = 180,906.03 : x
  2. Step 2: Convert to fraction form
    326,078.22/449,987.54 = 180,906.03/x
  3. Step 3: Cross multiply
    326,078.22x = 449,987.54 × 180,906.03
  4. Step 4: Simplify right side
    326,078.22x = 81,405,458,506.34
  5. Step 5: Solve for x
    x = 81,405,458,506.34/326,078.22
  6. Step 6: Final answer
    x = 249,650.09

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1.5x scale

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.