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Finding the Fourth Proportional to 383,391.37, 575,343.01 and 134,073.37

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Solution

The fourth proportional to 383,391.37, 575,343.01 and 134,073.37 is: 201,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,391.37 : 575,343.01 = 134,073.37 : x
  2. Step 2: Convert to fraction form
    383,391.37/575,343.01 = 134,073.37/x
  3. Step 3: Cross multiply
    383,391.37x = 575,343.01 × 134,073.37
  4. Step 4: Simplify right side
    383,391.37x = 77,138,173,379.93
  5. Step 5: Solve for x
    x = 77,138,173,379.93/383,391.37
  6. Step 6: Final answer
    x = 201,199.56

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1.5x scale

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.