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Finding the Fourth Proportional to 223,086.80, 333,046.18 and 213,755.60

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Solution

The fourth proportional to 223,086.80, 333,046.18 and 213,755.60 is: 319,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,086.80 : 333,046.18 = 213,755.60 : x
  2. Step 2: Convert to fraction form
    223,086.80/333,046.18 = 213,755.60/x
  3. Step 3: Cross multiply
    223,086.80x = 333,046.18 × 213,755.60
  4. Step 4: Simplify right side
    223,086.80x = 71,190,486,033.61
  5. Step 5: Solve for x
    x = 71,190,486,033.61/223,086.80
  6. Step 6: Final answer
    x = 319,115.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.