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Finding the Fourth Proportional to 222,706.80, 333,622.80 and 206,960.40

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Solution

The fourth proportional to 222,706.80, 333,622.80 and 206,960.40 is: 310,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,706.80 : 333,622.80 = 206,960.40 : x
  2. Step 2: Convert to fraction form
    222,706.80/333,622.80 = 206,960.40/x
  3. Step 3: Cross multiply
    222,706.80x = 333,622.80 × 206,960.40
  4. Step 4: Simplify right side
    222,706.80x = 69,046,708,137.12
  5. Step 5: Solve for x
    x = 69,046,708,137.12/222,706.80
  6. Step 6: Final answer
    x = 310,034.13

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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.