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Finding the Fourth Proportional to 323,890.56, 446,948.64 and 180,659.88

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Solution

The fourth proportional to 323,890.56, 446,948.64 and 180,659.88 is: 249,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,890.56 : 446,948.64 = 180,659.88 : x
  2. Step 2: Convert to fraction form
    323,890.56/446,948.64 = 180,659.88/x
  3. Step 3: Cross multiply
    323,890.56x = 446,948.64 × 180,659.88
  4. Step 4: Simplify right side
    323,890.56x = 80,745,687,668.56
  5. Step 5: Solve for x
    x = 80,745,687,668.56/323,890.56
  6. Step 6: Final answer
    x = 249,299.29

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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.