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Finding the Fourth Proportional to 281,004.48, 419,503.68 and 271,160.64

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Solution

The fourth proportional to 281,004.48, 419,503.68 and 271,160.64 is: 404,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,004.48 : 419,503.68 = 271,160.64 : x
  2. Step 2: Convert to fraction form
    281,004.48/419,503.68 = 271,160.64/x
  3. Step 3: Cross multiply
    281,004.48x = 419,503.68 × 271,160.64
  4. Step 4: Simplify right side
    281,004.48x = 113,752,886,351.16
  5. Step 5: Solve for x
    x = 113,752,886,351.16/281,004.48
  6. Step 6: Final answer
    x = 404,808.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.