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Finding the Fourth Proportional to 626,189.43, 938,536.81 and 341,951.54

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Solution

The fourth proportional to 626,189.43, 938,536.81 and 341,951.54 is: 512,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,189.43 : 938,536.81 = 341,951.54 : x
  2. Step 2: Convert to fraction form
    626,189.43/938,536.81 = 341,951.54/x
  3. Step 3: Cross multiply
    626,189.43x = 938,536.81 × 341,951.54
  4. Step 4: Simplify right side
    626,189.43x = 320,934,107,526.19
  5. Step 5: Solve for x
    x = 320,934,107,526.19/626,189.43
  6. Step 6: Final answer
    x = 512,519.20

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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.