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Finding the Fourth Proportional to 383,452.92, 575,180.87 and 117,212.40

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Solution

The fourth proportional to 383,452.92, 575,180.87 and 117,212.40 is: 175,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,452.92 : 575,180.87 = 117,212.40 : x
  2. Step 2: Convert to fraction form
    383,452.92/575,180.87 = 117,212.40/x
  3. Step 3: Cross multiply
    383,452.92x = 575,180.87 × 117,212.40
  4. Step 4: Simplify right side
    383,452.92x = 67,418,330,206.79
  5. Step 5: Solve for x
    x = 67,418,330,206.79/383,452.92
  6. Step 6: Final answer
    x = 175,819.06

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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.