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Finding the Fourth Proportional to 436,763.80, 603,062.52 and 429,788.60

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Solution

The fourth proportional to 436,763.80, 603,062.52 and 429,788.60 is: 593,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,763.80 : 603,062.52 = 429,788.60 : x
  2. Step 2: Convert to fraction form
    436,763.80/603,062.52 = 429,788.60/x
  3. Step 3: Cross multiply
    436,763.80x = 603,062.52 × 429,788.60
  4. Step 4: Simplify right side
    436,763.80x = 259,189,396,183.27
  5. Step 5: Solve for x
    x = 259,189,396,183.27/436,763.80
  6. Step 6: Final answer
    x = 593,431.50

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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.