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Finding the Fourth Proportional to 323,031.71, 445,779.29 and 179,791.80

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Solution

The fourth proportional to 323,031.71, 445,779.29 and 179,791.80 is: 248,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,031.71 : 445,779.29 = 179,791.80 : x
  2. Step 2: Convert to fraction form
    323,031.71/445,779.29 = 179,791.80/x
  3. Step 3: Cross multiply
    323,031.71x = 445,779.29 × 179,791.80
  4. Step 4: Simplify right side
    323,031.71x = 80,147,460,951.82
  5. Step 5: Solve for x
    x = 80,147,460,951.82/323,031.71
  6. Step 6: Final answer
    x = 248,110.20

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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.