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Finding the Fourth Proportional to 383,392.37, 575,344.51 and 134,074.37

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Solution

The fourth proportional to 383,392.37, 575,344.51 and 134,074.37 is: 201,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,392.37 : 575,344.51 = 134,074.37 : x
  2. Step 2: Convert to fraction form
    383,392.37/575,344.51 = 134,074.37/x
  3. Step 3: Cross multiply
    383,392.37x = 575,344.51 × 134,074.37
  4. Step 4: Simplify right side
    383,392.37x = 77,138,952,711.21
  5. Step 5: Solve for x
    x = 77,138,952,711.21/383,392.37
  6. Step 6: Final answer
    x = 201,201.06

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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.