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Finding the Fourth Proportional to 664,881.67, 997,322.46 and 166,245.67

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Solution

The fourth proportional to 664,881.67, 997,322.46 and 166,245.67 is: 249,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,881.67 : 997,322.46 = 166,245.67 : x
  2. Step 2: Convert to fraction form
    664,881.67/997,322.46 = 166,245.67/x
  3. Step 3: Cross multiply
    664,881.67x = 997,322.46 × 166,245.67
  4. Step 4: Simplify right side
    664,881.67x = 165,800,540,568.75
  5. Step 5: Solve for x
    x = 165,800,540,568.75/664,881.67
  6. Step 6: Final answer
    x = 249,368.49

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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.