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Finding the Fourth Proportional to 229,512.40, 344,268.60 and 192,770.80

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Solution

The fourth proportional to 229,512.40, 344,268.60 and 192,770.80 is: 289,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,512.40 : 344,268.60 = 192,770.80 : x
  2. Step 2: Convert to fraction form
    229,512.40/344,268.60 = 192,770.80/x
  3. Step 3: Cross multiply
    229,512.40x = 344,268.60 × 192,770.80
  4. Step 4: Simplify right side
    229,512.40x = 66,364,933,436.88
  5. Step 5: Solve for x
    x = 66,364,933,436.88/229,512.40
  6. Step 6: Final answer
    x = 289,156.20

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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.