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Finding the Fourth Proportional to 288,333.92, 397,890.96 and 161,006.24

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Solution

The fourth proportional to 288,333.92, 397,890.96 and 161,006.24 is: 222,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,333.92 : 397,890.96 = 161,006.24 : x
  2. Step 2: Convert to fraction form
    288,333.92/397,890.96 = 161,006.24/x
  3. Step 3: Cross multiply
    288,333.92x = 397,890.96 × 161,006.24
  4. Step 4: Simplify right side
    288,333.92x = 64,062,927,399.59
  5. Step 5: Solve for x
    x = 64,062,927,399.59/288,333.92
  6. Step 6: Final answer
    x = 222,183.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.