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Finding the Fourth Proportional to 323,283.73, 446,145.39 and 180,043.78

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Solution

The fourth proportional to 323,283.73, 446,145.39 and 180,043.78 is: 248,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,283.73 : 446,145.39 = 180,043.78 : x
  2. Step 2: Convert to fraction form
    323,283.73/446,145.39 = 180,043.78/x
  3. Step 3: Cross multiply
    323,283.73x = 446,145.39 × 180,043.78
  4. Step 4: Simplify right side
    323,283.73x = 80,325,699,314.23
  5. Step 5: Solve for x
    x = 80,325,699,314.23/323,283.73
  6. Step 6: Final answer
    x = 248,468.12

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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.