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Finding the Fourth Proportional to 323,807.72, 446,856.60 and 180,576.83

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Solution

The fourth proportional to 323,807.72, 446,856.60 and 180,576.83 is: 249,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,807.72 : 446,856.60 = 180,576.83 : x
  2. Step 2: Convert to fraction form
    323,807.72/446,856.60 = 180,576.83/x
  3. Step 3: Cross multiply
    323,807.72x = 446,856.60 × 180,576.83
  4. Step 4: Simplify right side
    323,807.72x = 80,691,946,058.30
  5. Step 5: Solve for x
    x = 80,691,946,058.30/323,807.72
  6. Step 6: Final answer
    x = 249,197.11

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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.