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Finding the Fourth Proportional to 446,457.67, 669,684.68 and 162,147.67

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Solution

The fourth proportional to 446,457.67, 669,684.68 and 162,147.67 is: 243,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,457.67 : 669,684.68 = 162,147.67 : x
  2. Step 2: Convert to fraction form
    446,457.67/669,684.68 = 162,147.67/x
  3. Step 3: Cross multiply
    446,457.67x = 669,684.68 × 162,147.67
  4. Step 4: Simplify right side
    446,457.67x = 108,587,808,619.80
  5. Step 5: Solve for x
    x = 108,587,808,619.80/446,457.67
  6. Step 6: Final answer
    x = 243,220.84

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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.