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Finding the Fourth Proportional to 295,731.36, 408,108.78 and 168,406.92

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Solution

The fourth proportional to 295,731.36, 408,108.78 and 168,406.92 is: 232,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,731.36 : 408,108.78 = 168,406.92 : x
  2. Step 2: Convert to fraction form
    295,731.36/408,108.78 = 168,406.92/x
  3. Step 3: Cross multiply
    295,731.36x = 408,108.78 × 168,406.92
  4. Step 4: Simplify right side
    295,731.36x = 68,728,342,664.76
  5. Step 5: Solve for x
    x = 68,728,342,664.76/295,731.36
  6. Step 6: Final answer
    x = 232,401.27

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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.