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Finding the Fourth Proportional to 253,630.80, 350,010.36 and 140,453.46

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Solution

The fourth proportional to 253,630.80, 350,010.36 and 140,453.46 is: 193,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,630.80 : 350,010.36 = 140,453.46 : x
  2. Step 2: Convert to fraction form
    253,630.80/350,010.36 = 140,453.46/x
  3. Step 3: Cross multiply
    253,630.80x = 350,010.36 × 140,453.46
  4. Step 4: Simplify right side
    253,630.80x = 49,160,166,097.85
  5. Step 5: Solve for x
    x = 49,160,166,097.85/253,630.80
  6. Step 6: Final answer
    x = 193,825.70

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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.