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Finding the Fourth Proportional to 499,704, 689,591.52 and 273,354.36

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Solution

The fourth proportional to 499,704, 689,591.52 and 273,354.36 is: 377,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,704 : 689,591.52 = 273,354.36 : x
  2. Step 2: Convert to fraction form
    499,704/689,591.52 = 273,354.36/x
  3. Step 3: Cross multiply
    499,704x = 689,591.52 × 273,354.36
  4. Step 4: Simplify right side
    499,704x = 188,502,848,611.03
  5. Step 5: Solve for x
    x = 188,502,848,611.03/499,704
  6. Step 6: Final answer
    x = 377,229.02

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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.