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Finding the Fourth Proportional to 471,627.16, 707,550.39 and 134,672.42

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Solution

The fourth proportional to 471,627.16, 707,550.39 and 134,672.42 is: 202,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,627.16 : 707,550.39 = 134,672.42 : x
  2. Step 2: Convert to fraction form
    471,627.16/707,550.39 = 134,672.42/x
  3. Step 3: Cross multiply
    471,627.16x = 707,550.39 × 134,672.42
  4. Step 4: Simplify right side
    471,627.16x = 95,287,525,062.12
  5. Step 5: Solve for x
    x = 95,287,525,062.12/471,627.16
  6. Step 6: Final answer
    x = 202,039.95

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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.