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Finding the Fourth Proportional to 664,863.56, 997,295.37 and 166,227.56

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Solution

The fourth proportional to 664,863.56, 997,295.37 and 166,227.56 is: 249,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,863.56 : 997,295.37 = 166,227.56 : x
  2. Step 2: Convert to fraction form
    664,863.56/997,295.37 = 166,227.56/x
  3. Step 3: Cross multiply
    664,863.56x = 997,295.37 × 166,227.56
  4. Step 4: Simplify right side
    664,863.56x = 165,777,977,824.28
  5. Step 5: Solve for x
    x = 165,777,977,824.28/664,863.56
  6. Step 6: Final answer
    x = 249,341.35

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Half scale
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Double scale
Find fourth proportional to 664,864.56, 997,296.87 and 166,228.56
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.