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Finding the Fourth Proportional to 370,536.57, 511,340.83 and 200,770.70

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Solution

The fourth proportional to 370,536.57, 511,340.83 and 200,770.70 is: 277,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,536.57 : 511,340.83 = 200,770.70 : x
  2. Step 2: Convert to fraction form
    370,536.57/511,340.83 = 200,770.70/x
  3. Step 3: Cross multiply
    370,536.57x = 511,340.83 × 200,770.70
  4. Step 4: Simplify right side
    370,536.57x = 102,662,253,319.05
  5. Step 5: Solve for x
    x = 102,662,253,319.05/370,536.57
  6. Step 6: Final answer
    x = 277,063.75

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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.