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Finding the Fourth Proportional to 481,037.60, 721,805.37 and 349,007.60

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Solution

The fourth proportional to 481,037.60, 721,805.37 and 349,007.60 is: 523,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,037.60 : 721,805.37 = 349,007.60 : x
  2. Step 2: Convert to fraction form
    481,037.60/721,805.37 = 349,007.60/x
  3. Step 3: Cross multiply
    481,037.60x = 721,805.37 × 349,007.60
  4. Step 4: Simplify right side
    481,037.60x = 251,915,559,850.81
  5. Step 5: Solve for x
    x = 251,915,559,850.81/481,037.60
  6. Step 6: Final answer
    x = 523,692.04

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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.