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Finding the Fourth Proportional to 508,634.39, 762,927.62 and 188,849.86

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Solution

The fourth proportional to 508,634.39, 762,927.62 and 188,849.86 is: 283,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,634.39 : 762,927.62 = 188,849.86 : x
  2. Step 2: Convert to fraction form
    508,634.39/762,927.62 = 188,849.86/x
  3. Step 3: Cross multiply
    508,634.39x = 762,927.62 × 188,849.86
  4. Step 4: Simplify right side
    508,634.39x = 144,078,771,375.57
  5. Step 5: Solve for x
    x = 144,078,771,375.57/508,634.39
  6. Step 6: Final answer
    x = 283,265.89

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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.