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Finding the Fourth Proportional to 383,410.60, 575,115.90 and 383,410.60

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Solution

The fourth proportional to 383,410.60, 575,115.90 and 383,410.60 is: 575,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,410.60 : 575,115.90 = 383,410.60 : x
  2. Step 2: Convert to fraction form
    383,410.60/575,115.90 = 383,410.60/x
  3. Step 3: Cross multiply
    383,410.60x = 575,115.90 × 383,410.60
  4. Step 4: Simplify right side
    383,410.60x = 220,505,532,288.54
  5. Step 5: Solve for x
    x = 220,505,532,288.54/383,410.60
  6. Step 6: Final answer
    x = 575,115.90

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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.