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Finding the Fourth Proportional to 412,513.59, 618,770.88 and 112,996.76

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Solution

The fourth proportional to 412,513.59, 618,770.88 and 112,996.76 is: 169,495.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,513.59 : 618,770.88 = 112,996.76 : x
  2. Step 2: Convert to fraction form
    412,513.59/618,770.88 = 112,996.76/x
  3. Step 3: Cross multiply
    412,513.59x = 618,770.88 × 112,996.76
  4. Step 4: Simplify right side
    412,513.59x = 69,919,101,528.49
  5. Step 5: Solve for x
    x = 69,919,101,528.49/412,513.59
  6. Step 6: Final answer
    x = 169,495.27

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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.