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Finding the Fourth Proportional to 664,870.92, 997,306.34 and 166,234.92

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Solution

The fourth proportional to 664,870.92, 997,306.34 and 166,234.92 is: 249,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,870.92 : 997,306.34 = 166,234.92 : x
  2. Step 2: Convert to fraction form
    664,870.92/997,306.34 = 166,234.92/x
  3. Step 3: Cross multiply
    664,870.92x = 997,306.34 × 166,234.92
  4. Step 4: Simplify right side
    664,870.92x = 165,787,138,814.22
  5. Step 5: Solve for x
    x = 165,787,138,814.22/664,870.92
  6. Step 6: Final answer
    x = 249,352.37

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Double scale
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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.