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Finding the Fourth Proportional to 365,448.96, 548,179.46 and 128,794.48

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Solution

The fourth proportional to 365,448.96, 548,179.46 and 128,794.48 is: 193,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,448.96 : 548,179.46 = 128,794.48 : x
  2. Step 2: Convert to fraction form
    365,448.96/548,179.46 = 128,794.48/x
  3. Step 3: Cross multiply
    365,448.96x = 548,179.46 × 128,794.48
  4. Step 4: Simplify right side
    365,448.96x = 70,602,488,497.38
  5. Step 5: Solve for x
    x = 70,602,488,497.38/365,448.96
  6. Step 6: Final answer
    x = 193,193.84

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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.