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Finding the Fourth Proportional to 295,863.82, 408,192.34 and 168,449.20

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Solution

The fourth proportional to 295,863.82, 408,192.34 and 168,449.20 is: 232,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,863.82 : 408,192.34 = 168,449.20 : x
  2. Step 2: Convert to fraction form
    295,863.82/408,192.34 = 168,449.20/x
  3. Step 3: Cross multiply
    295,863.82x = 408,192.34 × 168,449.20
  4. Step 4: Simplify right side
    295,863.82x = 68,759,673,119.13
  5. Step 5: Solve for x
    x = 68,759,673,119.13/295,863.82
  6. Step 6: Final answer
    x = 232,403.11

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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.