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Finding the Fourth Proportional to 383,453.92, 575,182.37 and 117,213.40

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Solution

The fourth proportional to 383,453.92, 575,182.37 and 117,213.40 is: 175,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,453.92 : 575,182.37 = 117,213.40 : x
  2. Step 2: Convert to fraction form
    383,453.92/575,182.37 = 117,213.40/x
  3. Step 3: Cross multiply
    383,453.92x = 575,182.37 × 117,213.40
  4. Step 4: Simplify right side
    383,453.92x = 67,419,081,207.76
  5. Step 5: Solve for x
    x = 67,419,081,207.76/383,453.92
  6. Step 6: Final answer
    x = 175,820.56

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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.