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Finding the Fourth Proportional to 383,260.80, 574,977.60 and 117,033.60

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Solution

The fourth proportional to 383,260.80, 574,977.60 and 117,033.60 is: 175,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,260.80 : 574,977.60 = 117,033.60 : x
  2. Step 2: Convert to fraction form
    383,260.80/574,977.60 = 117,033.60/x
  3. Step 3: Cross multiply
    383,260.80x = 574,977.60 × 117,033.60
  4. Step 4: Simplify right side
    383,260.80x = 67,291,698,447.36
  5. Step 5: Solve for x
    x = 67,291,698,447.36/383,260.80
  6. Step 6: Final answer
    x = 175,576.78

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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.