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Finding the Fourth Proportional to 626,188.43, 938,535.31 and 341,950.54

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Solution

The fourth proportional to 626,188.43, 938,535.31 and 341,950.54 is: 512,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,188.43 : 938,535.31 = 341,950.54 : x
  2. Step 2: Convert to fraction form
    626,188.43/938,535.31 = 341,950.54/x
  3. Step 3: Cross multiply
    626,188.43x = 938,535.31 × 341,950.54
  4. Step 4: Simplify right side
    626,188.43x = 320,932,651,743.76
  5. Step 5: Solve for x
    x = 320,932,651,743.76/626,188.43
  6. Step 6: Final answer
    x = 512,517.69

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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.