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Finding the Fourth Proportional to 436,766.80, 603,066.66 and 429,791.60

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Solution

The fourth proportional to 436,766.80, 603,066.66 and 429,791.60 is: 593,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,766.80 : 603,066.66 = 429,791.60 : x
  2. Step 2: Convert to fraction form
    436,766.80/603,066.66 = 429,791.60/x
  3. Step 3: Cross multiply
    436,766.80x = 603,066.66 × 429,791.60
  4. Step 4: Simplify right side
    436,766.80x = 259,192,984,708.06
  5. Step 5: Solve for x
    x = 259,192,984,708.06/436,766.80
  6. Step 6: Final answer
    x = 593,435.64

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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.