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Finding the Fourth Proportional to 323,520.44, 446,330.92 and 216,160.60

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Solution

The fourth proportional to 323,520.44, 446,330.92 and 216,160.60 is: 298,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,520.44 : 446,330.92 = 216,160.60 : x
  2. Step 2: Convert to fraction form
    323,520.44/446,330.92 = 216,160.60/x
  3. Step 3: Cross multiply
    323,520.44x = 446,330.92 × 216,160.60
  4. Step 4: Simplify right side
    323,520.44x = 96,479,159,465.75
  5. Step 5: Solve for x
    x = 96,479,159,465.75/323,520.44
  6. Step 6: Final answer
    x = 298,216.58

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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.