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Finding the Fourth Proportional to 365,447.96, 548,177.96 and 128,793.48

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Solution

The fourth proportional to 365,447.96, 548,177.96 and 128,793.48 is: 193,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,447.96 : 548,177.96 = 128,793.48 : x
  2. Step 2: Convert to fraction form
    365,447.96/548,177.96 = 128,793.48/x
  3. Step 3: Cross multiply
    365,447.96x = 548,177.96 × 128,793.48
  4. Step 4: Simplify right side
    365,447.96x = 70,601,747,127.70
  5. Step 5: Solve for x
    x = 70,601,747,127.70/365,447.96
  6. Step 6: Final answer
    x = 193,192.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.