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Finding the Fourth Proportional to 499,880.25, 689,834.75 and 273,525.75

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Solution

The fourth proportional to 499,880.25, 689,834.75 and 273,525.75 is: 377,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,880.25 : 689,834.75 = 273,525.75 : x
  2. Step 2: Convert to fraction form
    499,880.25/689,834.75 = 273,525.75/x
  3. Step 3: Cross multiply
    499,880.25x = 689,834.75 × 273,525.75
  4. Step 4: Simplify right side
    499,880.25x = 188,687,566,002.18
  5. Step 5: Solve for x
    x = 188,687,566,002.18/499,880.25
  6. Step 6: Final answer
    x = 377,465.54

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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.