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Finding the Fourth Proportional to 295,725.60, 408,100.88 and 168,401.23

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Solution

The fourth proportional to 295,725.60, 408,100.88 and 168,401.23 is: 232,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,725.60 : 408,100.88 = 168,401.23 : x
  2. Step 2: Convert to fraction form
    295,725.60/408,100.88 = 168,401.23/x
  3. Step 3: Cross multiply
    295,725.60x = 408,100.88 × 168,401.23
  4. Step 4: Simplify right side
    295,725.60x = 68,724,689,556.83
  5. Step 5: Solve for x
    x = 68,724,689,556.83/295,725.60
  6. Step 6: Final answer
    x = 232,393.44

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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.