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Finding the Fourth Proportional to 446,613.75, 669,920.63 and 114,189.75

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Solution

The fourth proportional to 446,613.75, 669,920.63 and 114,189.75 is: 171,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,613.75 : 669,920.63 = 114,189.75 : x
  2. Step 2: Convert to fraction form
    446,613.75/669,920.63 = 114,189.75/x
  3. Step 3: Cross multiply
    446,613.75x = 669,920.63 × 114,189.75
  4. Step 4: Simplify right side
    446,613.75x = 76,498,068,688.59
  5. Step 5: Solve for x
    x = 76,498,068,688.59/446,613.75
  6. Step 6: Final answer
    x = 171,284.63

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Similar ratio
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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.