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Finding the Fourth Proportional to 251,884.70, 347,233.68 and 191,350.25

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Solution

The fourth proportional to 251,884.70, 347,233.68 and 191,350.25 is: 263,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,884.70 : 347,233.68 = 191,350.25 : x
  2. Step 2: Convert to fraction form
    251,884.70/347,233.68 = 191,350.25/x
  3. Step 3: Cross multiply
    251,884.70x = 347,233.68 × 191,350.25
  4. Step 4: Simplify right side
    251,884.70x = 66,443,251,042.38
  5. Step 5: Solve for x
    x = 66,443,251,042.38/251,884.70
  6. Step 6: Final answer
    x = 263,784.39

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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.