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Finding the Fourth Proportional to 192,620.40, 288,930.60 and 180,956.40

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Solution

The fourth proportional to 192,620.40, 288,930.60 and 180,956.40 is: 271,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,620.40 : 288,930.60 = 180,956.40 : x
  2. Step 2: Convert to fraction form
    192,620.40/288,930.60 = 180,956.40/x
  3. Step 3: Cross multiply
    192,620.40x = 288,930.60 × 180,956.40
  4. Step 4: Simplify right side
    192,620.40x = 52,283,841,225.84
  5. Step 5: Solve for x
    x = 52,283,841,225.84/192,620.40
  6. Step 6: Final answer
    x = 271,434.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.