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Finding the Fourth Proportional to 222,436.80, 312,033.60 and 222,436.80

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Solution

The fourth proportional to 222,436.80, 312,033.60 and 222,436.80 is: 312,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,436.80 : 312,033.60 = 222,436.80 : x
  2. Step 2: Convert to fraction form
    222,436.80/312,033.60 = 222,436.80/x
  3. Step 3: Cross multiply
    222,436.80x = 312,033.60 × 222,436.80
  4. Step 4: Simplify right side
    222,436.80x = 69,407,755,476.48
  5. Step 5: Solve for x
    x = 69,407,755,476.48/222,436.80
  6. Step 6: Final answer
    x = 312,033.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.