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Finding the Fourth Proportional to 664,873.92, 997,310.84 and 166,237.92

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Solution

The fourth proportional to 664,873.92, 997,310.84 and 166,237.92 is: 249,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,873.92 : 997,310.84 = 166,237.92 : x
  2. Step 2: Convert to fraction form
    664,873.92/997,310.84 = 166,237.92/x
  3. Step 3: Cross multiply
    664,873.92x = 997,310.84 × 166,237.92
  4. Step 4: Simplify right side
    664,873.92x = 165,790,878,803.86
  5. Step 5: Solve for x
    x = 165,790,878,803.86/664,873.92
  6. Step 6: Final answer
    x = 249,356.87

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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.