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Finding the Fourth Proportional to 383,120.32, 574,770.34 and 116,880.74

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Solution

The fourth proportional to 383,120.32, 574,770.34 and 116,880.74 is: 175,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,120.32 : 574,770.34 = 116,880.74 : x
  2. Step 2: Convert to fraction form
    383,120.32/574,770.34 = 116,880.74/x
  3. Step 3: Cross multiply
    383,120.32x = 574,770.34 × 116,880.74
  4. Step 4: Simplify right side
    383,120.32x = 67,179,582,669.25
  5. Step 5: Solve for x
    x = 67,179,582,669.25/383,120.32
  6. Step 6: Final answer
    x = 175,348.52

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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.