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Finding the Fourth Proportional to 295,900.92, 408,243.31 and 168,486.30

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Solution

The fourth proportional to 295,900.92, 408,243.31 and 168,486.30 is: 232,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,900.92 : 408,243.31 = 168,486.30 : x
  2. Step 2: Convert to fraction form
    295,900.92/408,243.31 = 168,486.30/x
  3. Step 3: Cross multiply
    295,900.92x = 408,243.31 × 168,486.30
  4. Step 4: Simplify right side
    295,900.92x = 68,783,404,380.44
  5. Step 5: Solve for x
    x = 68,783,404,380.44/295,900.92
  6. Step 6: Final answer
    x = 232,454.18

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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.